diff --git a/src/main/java/com/andrewlalis/perfin/PerfinApp.java b/src/main/java/com/andrewlalis/perfin/PerfinApp.java
index aba5e31..4630487 100644
--- a/src/main/java/com/andrewlalis/perfin/PerfinApp.java
+++ b/src/main/java/com/andrewlalis/perfin/PerfinApp.java
@@ -10,8 +10,13 @@ import com.andrewlalis.perfin.view.StartupSplashScreen;
 import javafx.application.Application;
 import javafx.application.Platform;
 import javafx.scene.Scene;
+import javafx.scene.text.Font;
 import javafx.stage.Stage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
+import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.List;
@@ -21,6 +26,7 @@ import java.util.function.Consumer;
  * The class from which the JavaFX-based application starts.
  */
 public class PerfinApp extends Application {
+    private static final Logger log = LoggerFactory.getLogger(PerfinApp.class);
     public static final Path APP_DIR = Path.of(System.getProperty("user.home", "."), ".perfin");
     public static PerfinApp instance;
 
@@ -36,6 +42,7 @@ public class PerfinApp extends Application {
     @Override
     public void start(Stage stage) {
         instance = this;
+        loadFonts();
         var splashScreen = new StartupSplashScreen(List.of(
                 PerfinApp::defineRoutes,
                 PerfinApp::initAppDir,
@@ -97,4 +104,27 @@ public class PerfinApp extends Application {
             throw e;
         }
     }
+
+    private static void loadFonts() {
+        List<String> fontResources = List.of(
+                "/font/JetBrainsMono-2.304/fonts/ttf/JetBrainsMono-Medium.ttf",
+                "/font/Roboto/Roboto-Regular.ttf",
+                "/font/Roboto/Roboto-Bold.ttf",
+                "/font/Roboto/Roboto-Italic.ttf",
+                "/font/Roboto/Roboto-BoldItalic.ttf"
+        );
+        for (String res : fontResources) {
+            URL resourceUrl = PerfinApp.class.getResource(res);
+            if (resourceUrl == null) {
+                log.warn("Font resource {} was not found.", res);
+            } else {
+                Font font = Font.loadFont(PerfinApp.class.getResource(res).toExternalForm(), 10);
+                if (font == null) {
+                    log.warn("Failed to load font {}.", res);
+                } else {
+                    log.debug("Loaded font: Family = {}, Name = {}, Style = {}.", font.getFamily(), font.getName(), font.getStyle());
+                }
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/andrewlalis/perfin/control/MainViewController.java b/src/main/java/com/andrewlalis/perfin/control/MainViewController.java
index 13f8bae..3347df1 100644
--- a/src/main/java/com/andrewlalis/perfin/control/MainViewController.java
+++ b/src/main/java/com/andrewlalis/perfin/control/MainViewController.java
@@ -25,7 +25,7 @@ public class MainViewController {
                 breadCrumb -> {
                     Label label = new Label("> " + breadCrumb.route());
                     if (breadCrumb.current()) {
-                        label.setStyle("-fx-font-weight: bold");
+                        label.getStyleClass().add("bold-text");
                     }
                     return label;
                 }
diff --git a/src/main/java/com/andrewlalis/perfin/control/ProfilesViewController.java b/src/main/java/com/andrewlalis/perfin/control/ProfilesViewController.java
index ef0f723..1fb72eb 100644
--- a/src/main/java/com/andrewlalis/perfin/control/ProfilesViewController.java
+++ b/src/main/java/com/andrewlalis/perfin/control/ProfilesViewController.java
@@ -66,22 +66,15 @@ public class ProfilesViewController {
         for (String profileName : profileNames) {
             boolean isCurrent = profileName.equals(currentProfile);
             AnchorPane profilePane = new AnchorPane();
-            profilePane.setStyle("""
-                    -fx-border-color: lightgray;
-                    -fx-border-radius: 5px;
-                    -fx-padding: 5px;
-                    """);
+            profilePane.getStyleClass().add("tile");
 
             Text nameTextElement = new Text(profileName);
-            nameTextElement.setStyle("-fx-font-size: large;");
+            nameTextElement.getStyleClass().add("large-font");
             TextFlow nameLabel = new TextFlow(nameTextElement);
             if (isCurrent) {
-                nameTextElement.setStyle("-fx-font-size: large; -fx-font-weight: bold;");
+                nameTextElement.getStyleClass().addAll("large-font", "bold-text");
                 Text currentProfileIndicator = new Text(" Currently Selected Profile");
-                currentProfileIndicator.setStyle("""
-                        -fx-font-size: small;
-                        -fx-fill: grey;
-                        """);
+                currentProfileIndicator.getStyleClass().addAll("small-font", "secondary-color-fill");
                 nameLabel.getChildren().add(currentProfileIndicator);
             }
             AnchorPane.setLeftAnchor(nameLabel, 0.0);
diff --git a/src/main/java/com/andrewlalis/perfin/model/Account.java b/src/main/java/com/andrewlalis/perfin/model/Account.java
index 83146a4..dfb3db7 100644
--- a/src/main/java/com/andrewlalis/perfin/model/Account.java
+++ b/src/main/java/com/andrewlalis/perfin/model/Account.java
@@ -39,6 +39,16 @@ public class Account extends IdEntity {
         return "..." + accountNumber.substring(accountNumber.length() - suffixLength);
     }
 
+    public String getAccountNumberGrouped(int groupSize, char separator) {
+        StringBuilder sb = new StringBuilder();
+        int idx = 0;
+        while (idx < accountNumber.length()) {
+            sb.append(accountNumber.charAt(idx++));
+            if (idx % groupSize == 0 && idx < accountNumber.length()) sb.append(separator);
+        }
+        return sb.toString();
+    }
+
     public String getShortName() {
         String numberSuffix = getAccountNumberSuffix();
         return name + " (" + numberSuffix + ")";
diff --git a/src/main/java/com/andrewlalis/perfin/model/AccountEntry.java b/src/main/java/com/andrewlalis/perfin/model/AccountEntry.java
index 80b0ac2..47a9ab8 100644
--- a/src/main/java/com/andrewlalis/perfin/model/AccountEntry.java
+++ b/src/main/java/com/andrewlalis/perfin/model/AccountEntry.java
@@ -87,9 +87,10 @@ public class AccountEntry extends IdEntity {
      * @return The effective value of this entry, either positive or negative.
      */
     public BigDecimal getEffectiveValue(AccountType accountType) {
-        return switch (accountType) {
-            case CHECKING, SAVINGS -> type == Type.DEBIT ? amount : amount.negate();
-            case CREDIT_CARD -> type == Type.DEBIT ? amount.negate() : amount;
-        };
+        if (accountType.areDebitsPositive()) {
+            return type == Type.DEBIT ? amount : amount.negate();
+        } else {
+            return type == Type.DEBIT ? amount.negate() : amount;
+        }
     }
 }
diff --git a/src/main/java/com/andrewlalis/perfin/model/AccountType.java b/src/main/java/com/andrewlalis/perfin/model/AccountType.java
index 79626d9..ef4a127 100644
--- a/src/main/java/com/andrewlalis/perfin/model/AccountType.java
+++ b/src/main/java/com/andrewlalis/perfin/model/AccountType.java
@@ -4,14 +4,20 @@ package com.andrewlalis.perfin.model;
  * Represents the different possible account types in Perfin.
  */
 public enum AccountType {
-    CHECKING("Checking"),
-    SAVINGS("Savings"),
-    CREDIT_CARD("Credit Card");
+    CHECKING("Checking", true),
+    SAVINGS("Savings", true),
+    CREDIT_CARD("Credit Card", false);
 
     private final String name;
+    private final boolean debitsPositive;
 
-    AccountType(String name) {
+    AccountType(String name, boolean debitsPositive) {
         this.name = name;
+        this.debitsPositive = debitsPositive;
+    }
+
+    public boolean areDebitsPositive() {
+        return debitsPositive;
     }
 
     @Override
diff --git a/src/main/java/com/andrewlalis/perfin/view/AccountComboBoxCellFactory.java b/src/main/java/com/andrewlalis/perfin/view/AccountComboBoxCellFactory.java
index f6111be..153782d 100644
--- a/src/main/java/com/andrewlalis/perfin/view/AccountComboBoxCellFactory.java
+++ b/src/main/java/com/andrewlalis/perfin/view/AccountComboBoxCellFactory.java
@@ -23,7 +23,7 @@ public class AccountComboBoxCellFactory implements Callback<ListView<Account>, L
 
         public AccountListCell(String emptyCellText) {
             this.emptyCellText = emptyCellText;
-            label.setStyle("-fx-text-fill: black;");
+            label.getStyleClass().add("normal-color-text-fill");
         }
 
         @Override
diff --git a/src/main/java/com/andrewlalis/perfin/view/StartupSplashScreen.java b/src/main/java/com/andrewlalis/perfin/view/StartupSplashScreen.java
index 38c94cb..55c63a7 100644
--- a/src/main/java/com/andrewlalis/perfin/view/StartupSplashScreen.java
+++ b/src/main/java/com/andrewlalis/perfin/view/StartupSplashScreen.java
@@ -53,7 +53,10 @@ public class StartupSplashScreen extends Stage implements Consumer<String> {
         textArea.setFocusTraversable(false);
 
         Scene scene = new Scene(root, 400.0, 200.0);
-        scene.getStylesheets().add(StartupSplashScreen.class.getResource("/style/startup-splash-screen.css").toExternalForm());
+        scene.getStylesheets().addAll(
+                StartupSplashScreen.class.getResource("/style/base.css").toExternalForm(),
+                StartupSplashScreen.class.getResource("/style/startup-splash-screen.css").toExternalForm()
+        );
         return scene;
     }
 
diff --git a/src/main/java/com/andrewlalis/perfin/view/component/AccountHistoryItemTile.java b/src/main/java/com/andrewlalis/perfin/view/component/AccountHistoryItemTile.java
index 81d1359..9704d04 100644
--- a/src/main/java/com/andrewlalis/perfin/view/component/AccountHistoryItemTile.java
+++ b/src/main/java/com/andrewlalis/perfin/view/component/AccountHistoryItemTile.java
@@ -12,14 +12,10 @@ import javafx.scene.layout.BorderPane;
  */
 public abstract class AccountHistoryItemTile extends BorderPane {
     public AccountHistoryItemTile(AccountHistoryItem item) {
-        setStyle("""
-                -fx-border-color: lightgray;
-                -fx-border-radius: 5px;
-                -fx-padding: 5px;
-                """);
+        getStyleClass().add("tile");
 
         Label timestampLabel = new Label(DateUtil.formatUTCAsLocalWithZone(item.getTimestamp()));
-        timestampLabel.setStyle("-fx-font-size: small;");
+        timestampLabel.getStyleClass().add("small-font");
         setTop(timestampLabel);
     }
 
diff --git a/src/main/java/com/andrewlalis/perfin/view/component/AccountTile.java b/src/main/java/com/andrewlalis/perfin/view/component/AccountTile.java
index 3f5c7dc..90103cf 100644
--- a/src/main/java/com/andrewlalis/perfin/view/component/AccountTile.java
+++ b/src/main/java/com/andrewlalis/perfin/view/component/AccountTile.java
@@ -1,8 +1,11 @@
 package com.andrewlalis.perfin.view.component;
 
+import com.andrewlalis.perfin.data.util.CurrencyUtil;
 import com.andrewlalis.perfin.model.Account;
 import com.andrewlalis.perfin.model.AccountType;
+import com.andrewlalis.perfin.model.MoneyValue;
 import com.andrewlalis.perfin.model.Profile;
+import javafx.application.Platform;
 import javafx.geometry.HPos;
 import javafx.scene.Node;
 import javafx.scene.control.Label;
@@ -14,6 +17,7 @@ import javafx.scene.layout.Priority;
 import javafx.scene.paint.Color;
 import javafx.scene.text.Text;
 
+import java.math.BigDecimal;
 import java.util.Map;
 
 import static com.andrewlalis.perfin.PerfinApp.router;
@@ -30,14 +34,7 @@ public class AccountTile extends BorderPane {
 
     public AccountTile(Account account) {
         setPrefWidth(350.0);
-        setStyle("""
-                -fx-border-color: lightgray;
-                -fx-border-width: 1px;
-                -fx-border-style: solid;
-                -fx-border-radius: 5px;
-                -fx-padding: 5px;
-                -fx-cursor: hand;
-                """);
+        getStyleClass().addAll("tile", "hand-cursor");
 
         setTop(getHeader(account));
         setBottom(getFooter(account));
@@ -48,7 +45,7 @@ public class AccountTile extends BorderPane {
 
     private Node getHeader(Account account) {
         Text title = new Text("Account #" + account.id);
-        title.setStyle("-fx-font-size: large; -fx-font-weight: bold;");
+        title.getStyleClass().addAll("large-font", "bold-text");
         return title;
     }
 
@@ -56,7 +53,7 @@ public class AccountTile extends BorderPane {
         Label currencyLabel = new Label(account.getCurrency().getCurrencyCode());
         Label typeLabel = new Label(account.getType().toString() + " Account");
         HBox footerHBox = new HBox(currencyLabel, typeLabel);
-        footerHBox.setStyle("-fx-font-size: x-small; -fx-spacing: 3px;");
+        footerHBox.getStyleClass().addAll("std-spacing", "small-font");
         return footerHBox;
     }
 
@@ -73,15 +70,33 @@ public class AccountTile extends BorderPane {
         valueConstraints.setHalignment(HPos.RIGHT);
         propertiesPane.getColumnConstraints().setAll(keyConstraints, valueConstraints);
 
-        Label accountNameLabel = newPropertyValue(account.getName());
+        Label accountNameLabel = new Label(account.getName());
         accountNameLabel.setWrapText(true);
+        accountNameLabel.getStyleClass().add("italic-text");
 
-        Label accountTypeLabel = newPropertyValue(account.getType().toString());
+        Label accountNumberLabel = new Label(account.getAccountNumber());
+        accountNumberLabel.getStyleClass().add("mono-font");
+
+        Label accountTypeLabel = new Label(account.getType().toString());
         accountTypeLabel.setTextFill(ACCOUNT_TYPE_COLORS.get(account.getType()));
-        accountTypeLabel.setStyle("-fx-font-weight: bold;");
+        accountTypeLabel.getStyleClass().add("bold-text");
 
-        Label balanceLabel = newPropertyValue("Computing balance...");
+        Label balanceLabel = new Label("Computing balance...");
+        balanceLabel.getStyleClass().addAll("mono-font");
         balanceLabel.setDisable(true);
+        Thread.ofVirtual().start(() -> Profile.getCurrent().getDataSource().useAccountRepository(repo -> {
+            BigDecimal balance = repo.deriveCurrentBalance(account.id);
+            String text = CurrencyUtil.formatMoney(new MoneyValue(balance, account.getCurrency()));
+            Platform.runLater(() -> {
+                balanceLabel.setText(text);
+                if (account.getType().areDebitsPositive() && balance.compareTo(BigDecimal.ZERO) < 0) {
+                    balanceLabel.getStyleClass().add("negative-color-text-fill");
+                } else if (!account.getType().areDebitsPositive() && balance.compareTo(BigDecimal.ZERO) < 0) {
+                    balanceLabel.getStyleClass().add("positive-color-text-fill");
+                }
+                balanceLabel.setDisable(false);
+            });
+        }));
         Profile.getCurrent().getDataSource().getAccountBalanceText(account, text -> {
             balanceLabel.setText(text);
             balanceLabel.setDisable(false);
@@ -91,7 +106,7 @@ public class AccountTile extends BorderPane {
                 newPropertyLabel("Account Name"),
                 accountNameLabel,
                 newPropertyLabel("Account Number"),
-                newPropertyValue(account.getAccountNumber()),
+                accountNumberLabel,
                 newPropertyLabel("Account Type"),
                 accountTypeLabel,
                 newPropertyLabel("Current Balance"),
@@ -102,18 +117,7 @@ public class AccountTile extends BorderPane {
 
     private static Label newPropertyLabel(String text) {
         Label lbl = new Label(text);
-        lbl.setStyle("""
-                -fx-font-weight: bold;
-                """);
-        return lbl;
-    }
-
-    private static Label newPropertyValue(String text) {
-        Label lbl = new Label(text);
-        lbl.setStyle("""
-                -fx-font-family: monospace;
-                -fx-font-size: large;
-                """);
+        lbl.getStyleClass().add("bold-text");
         return lbl;
     }
 }
diff --git a/src/main/java/com/andrewlalis/perfin/view/component/AttachmentPreview.java b/src/main/java/com/andrewlalis/perfin/view/component/AttachmentPreview.java
index 92f05ed..7e15772 100644
--- a/src/main/java/com/andrewlalis/perfin/view/component/AttachmentPreview.java
+++ b/src/main/java/com/andrewlalis/perfin/view/component/AttachmentPreview.java
@@ -27,7 +27,7 @@ public class AttachmentPreview extends BorderPane {
     public AttachmentPreview(Attachment attachment) {
         BorderPane contentContainer = new BorderPane();
         Label nameLabel = new Label(attachment.getFilename());
-        nameLabel.setStyle("-fx-font-size: small;");
+        nameLabel.getStyleClass().add("small-font");
         VBox nameContainer = new VBox(nameLabel);
         nameContainer.setPrefHeight(LABEL_SIZE);
         nameContainer.setMaxHeight(LABEL_SIZE);
diff --git a/src/main/java/com/andrewlalis/perfin/view/component/TransactionTile.java b/src/main/java/com/andrewlalis/perfin/view/component/TransactionTile.java
index baf6fcb..2753ebf 100644
--- a/src/main/java/com/andrewlalis/perfin/view/component/TransactionTile.java
+++ b/src/main/java/com/andrewlalis/perfin/view/component/TransactionTile.java
@@ -27,42 +27,30 @@ import static com.andrewlalis.perfin.PerfinApp.router;
  */
 public class TransactionTile extends BorderPane {
     public final BooleanProperty selected = new SimpleBooleanProperty(false);
-    private static final String UNSELECTED_STYLE = """
-            -fx-border-color: lightgray;
-            -fx-border-width: 1px;
-            -fx-border-style: solid;
-            -fx-border-radius: 5px;
-            -fx-padding: 5px;
-            -fx-cursor: hand;
-            """;
-    private static final String SELECTED_STYLE = """
-            -fx-border-color: white;
-            -fx-border-width: 1px;
-            -fx-border-style: solid;
-            -fx-border-radius: 5px;
-            -fx-padding: 5px;
-            -fx-cursor: hand;
-            """;
 
     public TransactionTile(Transaction transaction) {
-        setStyle(UNSELECTED_STYLE);
+        getStyleClass().addAll("tile", "hand-cursor");
 
         setTop(getHeader(transaction));
         setCenter(getBody(transaction));
         setBottom(getFooter(transaction));
 
-        styleProperty().bind(selected.map(value -> value ? SELECTED_STYLE : UNSELECTED_STYLE));
+        selected.addListener((observable, oldValue, newValue) -> {
+            if (newValue) {
+                getStyleClass().add("tile-border-selected");
+            } else {
+                getStyleClass().remove("tile-border-selected");
+            }
+        });
     }
 
     private Node getHeader(Transaction transaction) {
         Label currencyLabel = new Label(CurrencyUtil.formatMoney(transaction.getMoneyAmount()));
-        currencyLabel.setStyle("-fx-font-family: monospace;");
+        currencyLabel.getStyleClass().add("mono-font");
         HBox headerHBox = new HBox(
                 currencyLabel
         );
-        headerHBox.setStyle("""
-                -fx-spacing: 3px;
-                """);
+        headerHBox.getStyleClass().addAll("std-spacing");
         return headerHBox;
     }
 
@@ -77,14 +65,14 @@ public class TransactionTile extends BorderPane {
                 Hyperlink link = new Hyperlink(acc.getShortName());
                 link.setOnAction(event -> router.navigate("account", acc));
                 Text prefix = new Text("Credited from");
-                prefix.setFill(Color.RED);
+                prefix.getStyleClass().add("negative-color-fill");
                 Platform.runLater(() -> bodyVBox.getChildren().add(new TextFlow(prefix, link)));
             });
             accounts.ifDebit(acc -> {
                 Hyperlink link = new Hyperlink(acc.getShortName());
                 link.setOnAction(event -> router.navigate("account", acc));
                 Text prefix = new Text("Debited to");
-                prefix.setFill(Color.GREEN);
+                prefix.getStyleClass().add("positive-color-fill");
                 Platform.runLater(() -> bodyVBox.getChildren().add(new TextFlow(prefix, link)));
             });
         });
@@ -96,10 +84,7 @@ public class TransactionTile extends BorderPane {
         HBox footerHBox = new HBox(
                 timestampLabel
         );
-        footerHBox.setStyle("""
-                -fx-spacing: 3px;
-                -fx-font-size: small;
-                """);
+        footerHBox.getStyleClass().addAll("std-spacing", "small-font");
         return footerHBox;
     }
 
diff --git a/src/main/resources/account-view.fxml b/src/main/resources/account-view.fxml
index 3e188bf..a2e411f 100644
--- a/src/main/resources/account-view.fxml
+++ b/src/main/resources/account-view.fxml
@@ -37,7 +37,7 @@
                                 <VBox>
                                     <Label text="Current Balance" styleClass="bold-text" fx:id="balanceLabel"/>
                                     <Text
-                                            style="-fx-font-size: x-small; -fx-fill: grey"
+                                            styleClass="small-font,secondary-color-fill"
                                             wrappingWidth="${balanceLabel.width}"
                                     >Computed using the last recorded balance and all transactions since.</Text>
                                 </VBox>
@@ -65,7 +65,7 @@
                 <Label text="History" styleClass="bold-text,std-padding"/>
                 <VBox>
                     <ScrollPane fitToHeight="true" fitToWidth="true">
-                        <VBox fx:id="historyItemsVBox" style="-fx-padding: 10px; -fx-spacing: 10px;"/>
+                        <VBox fx:id="historyItemsVBox" styleClass="padding-extra-1,spacing-extra-1"/>
                     </ScrollPane>
                     <AnchorPane>
                         <Button
diff --git a/src/main/resources/accounts-view.fxml b/src/main/resources/accounts-view.fxml
index 955f3c2..8cea7c2 100644
--- a/src/main/resources/accounts-view.fxml
+++ b/src/main/resources/accounts-view.fxml
@@ -19,7 +19,7 @@
     <center>
         <VBox>
             <ScrollPane fitToHeight="true" fitToWidth="true" VBox.vgrow="ALWAYS">
-                <FlowPane fx:id="accountsPane" BorderPane.alignment="TOP_LEFT" vgap="5" hgap="5" styleClass="std-padding"/>
+                <FlowPane fx:id="accountsPane" BorderPane.alignment="TOP_LEFT" vgap="10" hgap="10" styleClass="padding-extra-1"/>
             </ScrollPane>
             <Label fx:id="noAccountsLabel" BorderPane.alignment="TOP_LEFT" styleClass="std-padding" text="No accounts have been added to this profile."/>
         </VBox>
diff --git a/src/main/resources/create-transaction.fxml b/src/main/resources/create-transaction.fxml
index 2a6a1c6..3f36257 100644
--- a/src/main/resources/create-transaction.fxml
+++ b/src/main/resources/create-transaction.fxml
@@ -27,7 +27,7 @@
                 </VBox>
                 <VBox>
                     <Label text="Description" labelFor="${descriptionField}" styleClass="bold-text"/>
-                    <Label text="Maximum of 255 characters." styleClass="small-text"/>
+                    <Label text="Maximum of 255 characters." styleClass="small-font"/>
                     <TextArea
                             fx:id="descriptionField"
                             styleClass="mono-font"
@@ -57,7 +57,7 @@
                 <!-- Container for attachments -->
                 <VBox fx:id="attachmentsVBox">
                     <Label text="Attachments" styleClass="bold-text"/>
-                    <Label text="Attach receipts, invoices, or other content to this transaction." styleClass="small-text" wrapText="true"/>
+                    <Label text="Attach receipts, invoices, or other content to this transaction." styleClass="small-font" wrapText="true"/>
                     <!-- FileSelectionArea inserted here! -->
                 </VBox>
             </VBox>
diff --git a/src/main/resources/main-view.fxml b/src/main/resources/main-view.fxml
index 596ec87..082c7c6 100644
--- a/src/main/resources/main-view.fxml
+++ b/src/main/resources/main-view.fxml
@@ -18,7 +18,7 @@
                 <Button text="Transactions" onAction="#goToTransactions"/>
                 <Button text="Profiles" onAction="#viewProfiles"/>
             </HBox>
-            <HBox fx:id="breadcrumbHBox" styleClass="std-spacing,small-text"/>
+            <HBox fx:id="breadcrumbHBox" styleClass="std-spacing,small-font"/>
         </VBox>
     </top>
     <bottom>
diff --git a/src/main/resources/style/base.css b/src/main/resources/style/base.css
index 99486cc..7803361 100644
--- a/src/main/resources/style/base.css
+++ b/src/main/resources/style/base.css
@@ -1,5 +1,19 @@
+.root {
+    -fx-font-family: "Roboto", sans-serif;
+    -fx-font-size: 14px;
+    -fx-text-fill: rgb(26, 26, 26);
+}
+
 .mono-font {
-    -fx-font-family: monospace;
+    -fx-font-family: "JetBrains Mono", monospace;
+}
+
+.large-font {
+    -fx-font-size: 18px;
+}
+
+.small-font {
+    -fx-font-size: 10px;
 }
 
 .error-text {
@@ -11,8 +25,8 @@
     -fx-font-weight: bold;
 }
 
-.small-text {
-    -fx-font-size: small;
+.italic-text {
+    -fx-font-style: italic;
 }
 
 .large-text {
@@ -22,14 +36,62 @@
 .std-padding {
     -fx-padding: 3px;
 }
+.padding-extra {
+    -fx-padding: 6px;
+}
+.padding-extra-1 {
+    -fx-padding: 10px;
+}
 
 .std-spacing {
     -fx-spacing: 3px;
 }
-
 .spacing-extra {
     -fx-spacing: 6px;
 }
+.spacing-extra-1 {
+    -fx-spacing: 10px;
+}
+
+.hand-cursor {
+    -fx-cursor: hand;
+}
+
+/* Standard "tile" styling. */
+.tile {
+    -fx-border-color: lightgray;
+    -fx-border-width: 2px;
+    -fx-border-style: solid;
+    -fx-border-radius: 5px;
+    -fx-padding: 5px;
+}
+
+.tile-border-selected {
+    -fx-border-color: darkgray;
+}
+
+/* Standard colors */
+.normal-color-text-fill {
+    -fx-text-fill: rgb(26, 26, 26);
+}
+
+.secondary-color-fill {
+    -fx-fill: rgb(99, 99, 99);
+}
+
+.negative-color-text-fill {
+    -fx-text-fill: rgb(247, 37, 69);
+}
+.negative-color-fill {
+    -fx-fill: rgb(247, 37, 69);
+}
+
+.positive-color-text-fill {
+    -fx-text-fill: rgb(43, 196, 77);
+}
+.positive-color-fill {
+    -fx-fill: rgb(43, 196, 77);
+}
 
 /* DEBUG BORDERS */
 .debug-border-1 {
diff --git a/src/main/resources/transactions-view.fxml b/src/main/resources/transactions-view.fxml
index 217a3df..050d43e 100644
--- a/src/main/resources/transactions-view.fxml
+++ b/src/main/resources/transactions-view.fxml
@@ -28,7 +28,7 @@
                 </top>
                 <center>
                     <ScrollPane fitToHeight="true" fitToWidth="true">
-                        <VBox fx:id="transactionsVBox" styleClass="std-padding,spacing-extra"/>
+                        <VBox fx:id="transactionsVBox" styleClass="padding-extra-1,spacing-extra-1"/>
                     </ScrollPane>
                 </center>
             </BorderPane>
diff --git a/src/test/java/com/andrewlalis/perfin/model/AccountTest.java b/src/test/java/com/andrewlalis/perfin/model/AccountTest.java
new file mode 100644
index 0000000..21deadf
--- /dev/null
+++ b/src/test/java/com/andrewlalis/perfin/model/AccountTest.java
@@ -0,0 +1,41 @@
+package com.andrewlalis.perfin.model;
+
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+import java.util.Currency;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class AccountTest {
+    @Test
+    public void testGetAccountNumberSuffix() {
+        assertEquals("...1234", getTestAccountWithNumber("4328-1234").getAccountNumberSuffix());
+    }
+
+    @Test
+    public void testGetAccountNumberGrouped() {
+        assertEquals(
+                "1234-5678-9101-1121",
+                getTestAccountWithNumber("1234567891011121")
+                        .getAccountNumberGrouped(4, '-')
+        );
+        assertEquals(
+                "123-456-7",
+                getTestAccountWithNumber("1234567")
+                        .getAccountNumberGrouped(3, '-')
+        );
+    }
+
+    private Account getTestAccountWithNumber(String num) {
+        return new Account(
+                1,
+                LocalDateTime.now(),
+                false,
+                AccountType.CHECKING,
+                num,
+                "Testing Account",
+                Currency.getInstance("USD")
+        );
+    }
+}