Added semi-proper light theme and fixed some coloring bugs.

client/src/main/resources/css/light.css

@@ -1,20 +1,89 @@
-.button{
-	-fx-background-color: orangered;
-}
-
-.list-cell:selected, .list-cell:selected > * {
-	-fx-background-color: orangered;
+* {
 	-fx-text-fill: black;
 }
 
-.received-message, .menu-item {
+.root {
+	-fx-background-color: #E6E6E6;
+}
+
+.button {
+	-fx-background-color: #B37D7D;
+}
+
+.button:pressed {
+	-fx-background-color: #808080;
+}
+
+.button:disabled {
+	-fx-background-color: lightgray;
+}
+
+#message-list, .text-field, .password-field, .tooltip, .pane, .pane .content, .vbox, .titled-pane > .title, .titled-pane > *.content, .context-menu, .menu-item {
+	-fx-background-color: #E3E3E3;
+}
+
+.list-cell:selected, .list-cell:selected > *, .menu-item:hover {
+    -fx-background-color: #805959;
+}
+
+.received-message {
 	-fx-background-color: lightgray;
 }
 
 .own-message {
-	-fx-background-color: lightgreen;
+	-fx-background-color: #8fa88f;
 }
 
-#loginInputField {
+.alert.information.dialog-pane, .alert.warning.dialog-pane, .alert.error.dialog-pane {
+	-fx-background-color: black;
+}
+
+#login-input-field {
 	-fx-border-color: black;
 }
+
+#login-background {
+	-fx-background-color: white;
+}
+
+#chat-list, #top-bar, #search-panel, #note-background {
+	-fx-background-color: white;
+}
+
+#text-enter-container {
+	-fx-background-color: #F2F2F2;
+}
+
+#contact-search-enter-container {
+	-fx-background-color: #CCCCCC;
+}
+
+#underline {
+	-fx-border: solid;
+	-fx-border-width: 0.0 0.0 1.0 0.0;
+	-fx-border-color: #CCCCCC;
+}
+
+.group-member-names {
+	-fx-text-fill: #805959;
+	-fx-font-weight: bold;
+}
+
+.scroll-bar:vertical, .scroll-bar:vertical .track, .scroll-bar:vertical .increment-button , .scroll-bar:vertical .decrement-button {
+	-fx-background-color: transparent;
+}
+
+.scroll-bar:vertical .increment-arrow, .scroll-bar:vertical .decrement-arrow {
+	-fx-background-color: transparent;
+}
+
+.scroll-bar:vertical .thumb {
+	-fx-background-color: #707070;
+	-fx-background-insets : 4.0, 0.0, 0.0;
+	-fx-background-radius : 2.0em;
+}
+
+#proceed-button {
+	-fx-text-fill: white;
+	-fx-background-color: transparent;
+}

client/src/main/resources/fxml/SettingsScene.fxml

@@ -7,18 +7,11 @@
 <?import javafx.scene.layout.HBox?>
 <?import javafx.scene.layout.VBox?>
 
-<VBox alignment="TOP_RIGHT" maxHeight="-Infinity"
-	maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity"
-	prefHeight="400.0" prefWidth="600.0"
-	xmlns="http://javafx.com/javafx/11.0.1"
-	xmlns:fx="http://javafx.com/fxml/1"
-	fx:controller="envoy.client.ui.controller.SettingsScene">
+<VBox alignment="TOP_RIGHT" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/11.0.1" xmlns:fx="http://javafx.com/fxml/1" fx:controller="envoy.client.ui.controller.SettingsScene">
 	<children>
 		<HBox prefHeight="389.0" prefWidth="600.0">
 			<children>
-				<ListView fx:id="settingsList"
-					onMouseClicked="#settingsListClicked" prefHeight="200.0"
-					prefWidth="200.0">
+				<ListView id="message-list" fx:id="settingsList" onMouseClicked="#settingsListClicked" prefHeight="200.0" prefWidth="200.0">
 					<opaqueInsets>
 						<Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
 					</opaqueInsets>
@@ -29,8 +22,7 @@
 						<Insets bottom="5.0" left="5.0" right="5.0" top="5.0" />
 					</padding>
 				</ListView>
-				<TitledPane fx:id="titledPane" collapsible="false"
-					prefHeight="400.0" prefWidth="400.0">
+				<TitledPane fx:id="titledPane" collapsible="false" prefHeight="400.0" prefWidth="400.0">
 					<HBox.margin>
 						<Insets bottom="10.0" left="5.0" right="10.0" top="10.0" />
 					</HBox.margin>
@@ -40,8 +32,7 @@
 				</TitledPane>
 			</children>
 		</HBox>
-		<Button defaultButton="true" mnemonicParsing="true"
-			onMouseClicked="#backButtonClicked" text="_Back">
+		<Button defaultButton="true" mnemonicParsing="true" onMouseClicked="#backButtonClicked" text="_Back">
 			<opaqueInsets>
 				<Insets />
 			</opaqueInsets>