fix(styles): the alignment of the icons in the Nav Bar (#197)

Co-authored-by: Vega, Obed <[email protected]>

Author: ObedVega

src/theme/SearchBar/styles.css

@@ -7,7 +7,7 @@
   margin: 0;
   transition: all var(--ifm-transition-fast)
     var(--ifm-transition-timing-default);
-  height: 30px;
+  height: 24px;
   padding: 0;
 }