chore: simplify styles

Author: kemuru

web/src/styles/commonStyles.ts

@@ -1,21 +1,9 @@
 import { css } from "styled-components";
 
 export const hoverShortTransitionTiming = css`
-  :hover {
-    transition: 0.1s;
-  }
-
-  :not(:hover) {
-    transition: 0.1s;
-  }
+  transition: 0.1s;
 `;
 
 export const hoverLongTransitionTiming = css`
-  :hover {
-    transition: 0.2s;
-  }
-
-  :not(:hover) {
-    transition: 0.2s;
-  }
+  transition: 0.2s;
 `;