style: beautify css

Signed-off-by: Conrad Zelck <git@simpel.cc>

style.css

@@ -79,15 +79,15 @@ h1 {
 }
 
 button {
-    font-size: 1em;
-    padding: 5px 10px;
-    color: white;
-    border: 2px solid white;
-    cursor: pointer;
-    -webkit-border-radius: 5px;
-    border-radius: 5px;
-    border-color: white;
-    background-color: #333;
+  font-size: 1em;
+  padding: 5px 10px;
+  color: white;
+  border: 2px solid white;
+  cursor: pointer;
+  -webkit-border-radius: 5px;
+  border-radius: 5px;
+  border-color: white;
+  background-color: #333;
 }
 
 input[type="checkbox"] {