Minor styling

public/global.css

-html,
 body {
   position: relative;
   width: 100%;
   height: 100%;
+  background-color: #212121;
+  color: #ccc;
+  font-size: large;
 }
 
 body {
-  color: #333;
   margin: 0;
   padding: 8px;
   box-sizing: border-box;
@@ -31,28 +32,19 @@ label {
   display: block;
 }
 
-input,
-button,
-select,
-textarea {
+button {
   font-family: inherit;
   font-size: inherit;
   -webkit-padding: 0.4em 0;
   padding: 0.4em;
-  margin: 0 0 0.5em 0;
+  margin: 0 0 1% 0;
   box-sizing: border-box;
   border: 1px solid #ccc;
   border-radius: 2px;
-}
-
-input:disabled {
-  color: #ccc;
-}
-
-button {
   color: #333;
   background-color: #f4f4f4;
   outline: none;
+  width: 99%;
 }
 
 button:disabled {