Slight adjustment to keycode picker for dark mode (#1382)

Author: fauxpark

src/scss/style.scss

@@ -637,7 +637,7 @@ button {
   height: 32px;
   margin: 0px 5px 5px 0px;
   border: 1px solid;
-  border-radius: 2px;
+  border-radius: 3px;
   box-sizing: border-box;
   display: flex;
   justify-content: space-around;

src/scss/themes.scss

@@ -453,7 +453,7 @@ html[data-theme='dark'] {
   }
 
   .keycode {
-    background: #0c0c0c;
+    background: #1c1c1c;
     color: white;
     border-color: #0e0e0e;
   }