minor fixes in selectors

resources/css/style.css

@@ -22,17 +22,17 @@ button, .button {
 .callout {
     border-radius: 10px;
 }
-button: hover, .button:hover {
+button:hover, .button:hover {
     background: none;
     color: #214BB5;
 }
 h1, h2, h3, h4, h5, h6 {
     color: #214BB5;
 }
-a, a: visited, a:active, a:link {
+a, a:visited, a:active, a:link {
     text-decoration: underline;
 }
-a: hover {
+a:hover {
     text-decoration: none;
 }
 
@@ -50,7 +50,7 @@ header h1 {
 }
 
 header a, header a:visited, header a:active, header a:link {
-    color:inherit;
+    color: inherit;
     text-decoration: none;
 }
 
@@ -61,7 +61,6 @@ main {
 main form {
     width: 100%;
     margin: 1rem;
-
 }
 
 /* wizard */