theme toast icons and various cosmetic updates

superset-frontend/src/SqlLab/components/ShareSqlLabQuery/index.tsx

@@ -75,6 +75,7 @@ const ShareSqlLabQuery = ({
     return (
       <Button
         buttonSize="small"
+        buttonStyle="secondary"
         tooltip={tooltip}
         css={css`
           span > :first-of-type {

superset-frontend/src/components/MessageToasts/Toast.tsx

@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-import { styled, css, SupersetTheme } from '@superset-ui/core';
+import { styled, css, SupersetTheme, useTheme } from '@superset-ui/core';
 import cx from 'classnames';
 import { Interweave } from 'interweave';
 import { useCallback, useEffect, useRef, useState } from 'react';
@@ -84,19 +84,39 @@ export default function Toast({ toast, onCloseToast }: ToastPresenterProps) {
     };
   }, [handleClosePress, toast.duration]);
 
+  const theme = useTheme();
+
   let className = 'toast--success';
   let icon = (
-    <Icons.CheckCircleFilled css={theme => notificationStyledIcon(theme)} />
+    <Icons.CheckCircleFilled
+      css={theme => notificationStyledIcon(theme)}
+      iconColor={theme.colorSuccess}
+    />
   );
 
   if (toast.toastType === ToastType.Warning) {
-    icon = <Icons.ExclamationCircleFilled css={notificationStyledIcon} />;
+    icon = (
+      <Icons.ExclamationCircleFilled
+        css={notificationStyledIcon}
+        iconColor={theme.colorWarning}
+      />
+    );
     className = 'toast--warning';
   } else if (toast.toastType === ToastType.Danger) {
-    icon = <Icons.ExclamationCircleFilled css={notificationStyledIcon} />;
+    icon = (
+      <Icons.ExclamationCircleFilled
+        css={notificationStyledIcon}
+        iconColor={theme.colorError}
+      />
+    );
     className = 'toast--danger';
   } else if (toast.toastType === ToastType.Info) {
-    icon = <Icons.InfoCircleFilled css={notificationStyledIcon} />;
+    icon = (
+      <Icons.InfoCircleFilled
+        css={notificationStyledIcon}
+        iconColor={theme.colorInfo}
+      />
+    );
     className = 'toast--info';
   }
 

superset-frontend/src/features/home/Menu.tsx

@@ -42,8 +42,7 @@ interface MenuProps {
 
 const StyledHeader = styled.header`
   ${({ theme }) => `
-      background-color: ${theme.colorBgElevated};
+      background-color: ${theme.colorBgContainer};
-      margin-bottom: 2px;
       z-index: 10;
 
       &:nth-last-of-type(2) nav {