little bit of style

style.css

@@ -0,0 +1,67 @@
+* {
+    box-sizing: border-box;
+    font-family: Verdana, serif;
+    color: #424242;
+}
+
+html, body {
+    margin: 0;
+    padding: 0;
+    height: 100vh;
+}
+
+body {
+    background-color: #F5F5F5;
+}
+
+main {
+    max-width: 38rem;
+    padding: 2rem;
+    margin: auto;
+    background-color: #EEEEEE;
+    min-height: 100%;
+}
+
+h3, h4 {
+    margin: 0;
+    text-overflow: ellipsis;
+    max-width: calc(100% - 2rem);
+    overflow: hidden;
+    white-space: nowrap;
+    word-wrap: break-word;
+}
+
+h3 {
+    margin-top: .5em;
+}
+
+h4 {
+    font-weight: normal;
+    margin-left: 1em;
+}
+
+a {
+    text-decoration: none;
+    color: #1565C0;
+}
+
+a:hover {
+    color: #2196F3;
+}
+
+.error {
+    color: #f44336;
+}
+
+input {
+    margin-right: 1em;
+    width: 8em;
+}
+
+input.wide {
+    width: 18em;
+}
+
+button {
+    width: 6em;
+}