Few more UI observation (fixes) (#2283)

* fixed bottom border for fabric

* fixed scrollbar

* reverted last

* updated the review comments

* Fixed scroll , updated the home page UI box shadow, header font weight, margin between boxed , subtab underline for fabric fixed

---------

Co-authored-by: Sakshi Gupta <sakshig@microsoft.com>

less/documentDB.less

@@ -2643,7 +2643,7 @@ a:link {
 
 .tabPanesContainer {
   flex-grow: 1;
-  overflow-y: scroll;
+  overflow: hidden;
   background-color: var(--colorNeutralBackground1);
   color: var(--colorNeutralForeground1);
 }
@@ -2651,6 +2651,7 @@ a:link {
 .tabs-container {
   height: 100%;
   width: 100%;
+  overflow-y: auto;
 }
 
 .paddingspan4 {

less/documentDBFabric.less

@@ -7,6 +7,7 @@ html {
 body {
   font-family: @FabricFont;
   background-color: #f5f5f5;
+  --colorCompoundBrandBackground: @FabricAccentMedium;
 }
 
 a {

src/Explorer/SplashScreen/SplashScreen.tsx

@@ -61,7 +61,8 @@ const useStyles = makeStyles({
     display: "flex",
     flexDirection: "column",
     alignItems: "center",
-    minHeight: "100vh",
+    height: "100%",
+    overflowY: "auto",
     backgroundColor: "var(--colorNeutralBackground1)",
     color: "var(--colorNeutralForeground1)",
   },
@@ -73,20 +74,19 @@ const useStyles = makeStyles({
   },
   title: {
     fontSize: "48px",
-    fontWeight: "500",
+    fontWeight: "400",
     margin: "16px auto",
     color: "var(--colorNeutralForeground1)",
   },
   subtitle: {
     fontSize: "18px",
-    marginBottom: "40px",
     color: "var(--colorNeutralForeground2)",
   },
   cardContainer: {
     display: "grid",
     gridTemplateColumns: "repeat(2, 1fr)",
     gap: "16px",
-    width: "66%",
+    width: "60%",
     margin: "0 auto",
     backgroundColor: "var(--colorNeutralBackground1)",
     color: "var(--colorNeutralForeground1)",
@@ -100,7 +100,7 @@ const useStyles = makeStyles({
     color: "var(--colorNeutralForeground1)",
     border: "1px solid var(--colorNeutralStroke1)",
     borderRadius: "4px",
-    boxShadow: "var(--shadow4)",
+    boxShadow: "rgba(0, 0, 0, 0.25) 0px 4px 4px",
     cursor: "pointer",
     minHeight: "150px",
     "&:hover": {
@@ -128,11 +128,10 @@ const useStyles = makeStyles({
     textAlign: "left",
   },
   moreStuffContainer: {
-    display: "grid",
+    display: "flex",
-    gridTemplateColumns: "repeat(3, 1fr)",
+    justifyContent: "space-between",
     gap: "32px",
-    width: "66%",
+    width: "90%",
-    margin: "40px auto",
   },
   moreStuffColumn: {
     display: "flex",
@@ -227,7 +226,7 @@ export const SplashScreen: React.FC<SplashScreenProps> = ({ explorer }) => {
       return (
         <Stack
           className="splashStackContainer"
-          style={{ width: "66%", cursor: "pointer", margin: "40px auto" }}
+          style={{ width: "60%", cursor: "pointer", margin: "40px auto" }}
           tokens={{ childrenGap: 16 }}
         >
           <Stack className="splashStackRow" horizontal>
@@ -903,9 +902,9 @@ export const SplashScreen: React.FC<SplashScreenProps> = ({ explorer }) => {
   return (
     <div className={styles.splashScreenContainer}>
       <div className={styles.splashScreen}>
-        <h1 className={styles.title} role="heading" aria-label="Welcome to Azure Cosmos DB">
+        <h2 className={styles.title} role="heading" aria-label="Welcome to Azure Cosmos DB">
           Welcome to Azure Cosmos DB<span className="activePatch"></span>
-        </h1>
+        </h2>
         <div className={styles.subtitle}>Globally distributed, multi-model database service for any scale</div>
         {getSplashScreenButtons()}
         {useCarousel.getState().showCoachMark && (

src/Explorer/SplashScreen/SplashScreenButton.tsx

@@ -15,7 +15,7 @@ const useStyles = makeStyles({
   button: {
     border: "1px solid var(--colorNeutralStroke1)",
     boxSizing: "border-box",
-    boxShadow: "var(--shadow4)",
+    boxShadow: "rgba(0, 0, 0, 0.25) 0px 4px 4px",
     borderRadius: "4px",
     padding: "32px 16px",
     backgroundColor: "var(--colorNeutralBackground1)",