Merge branch 'main' into group4

Author: estelle

flexbox/wrapping/gaps.html

@@ -78,11 +78,10 @@
 
         display: flex;
         flex-wrap: wrap;
-        margin:-10px;
+        gap: 10px;
       }
       .box>* {
           flex: 1 1 160px;
-          margin: 10px;
       }
 
   </style>
@@ -114,11 +113,10 @@
 
         display: flex;
         flex-wrap: wrap;
-        margin:-10px;
+        gap: 10px;
       }
       .box>* {
         flex: 1 1 160px;
-        margin: 10px;
       }
 
   </textarea>

learn/images/form.html

@@ -36,7 +36,7 @@
         color: #fff;
       }
 
-      input[type="submit"]:hover {
+      input[type="submit"]:hover, input[type="submit"]:focus {
         background-color: #333;
       }
     </style>
@@ -72,7 +72,7 @@
   color: #fff;
 }
 
-input[type="submit"]:hover {
+input[type="submit"]:hover, input[type="submit"]:focus {
   background-color: #333;
 }