screen.css

@CHARSET "UTF-8";

body {
  font-family: Optima, "Trebuchet MS", Lucida, Arial, Geneva, Verdana, "Lucida Grande", Tahoma, Helvetica, sans-serif;
  font-size: 1.4em;
  margin: 0;
  padding: 0;
  color: #333;
  background-color: #eee;
}

#main {
  margin: 0 auto;
  padding: 0;
  width: 750px;
  background: url(img/casimir.png) right top no-repeat;
}

h1 {
  font-family: "Hoefler Text", "Bookman Antiqua", Palatino, "Utopia", "Times New Roman", Times, "New Century Schoolbook",  Georgia, "New York", serif;
  font-size: 2.5em;
}

h1 a {
  text-decoration: none;
}

h1 a:link, h1 a:visited, h1 a:hover, h1 a:active {
  color: #e33;
}

h1 a:hover {
  text-decoration: underline;
}

dt {
  margin-top: 1em;
}

dd {
  margin-left: 20px;
}

input {
  font-size: 1em;
  padding: 0.2em; 
  -webkit-border-radius: 0.2em; /* Saf3-4, iOS 1-3.2, Android ≤1.6 */
     -moz-border-radius: 0.2em; /* FF1-3.6 */
          border-radius: 0.2em; /* Opera 10.5, IE9, Saf5, Chrome, FF4, iOS 4, Android 2.1+ */}

input[type=text] {
  max-width: 600px;
  border: 2px #ddd solid;
}

#submit {
  color: #eee; 
  background-color: #18a5cc;
  border: none;

  background-color: #F85E2A;
  background-image: -webkit-gradient(linear, left top, left bottom, from(#F85E2A), to(#EF372E)); /* Saf4+, Chrome */
  background-image: -webkit-linear-gradient(top, #F85E2A, #EF372E); /* Chrome 10+, Saf5.1+, iOS 5+ */
  background-image:    -moz-linear-gradient(top, #F85E2A, #EF372E); /* FF3.6 */
  background-image:     -ms-linear-gradient(top, #F85E2A, #EF372E); /* IE10 */
  background-image:      -o-linear-gradient(top, #F85E2A, #EF372E); /* Opera 11.10+ */
  background-image:         linear-gradient(to bottom, #F85E2A, #EF372E);
}

.error, .success {
  padding-right: 128px;
}

.error {
  color: red;
}

.success {
  color: green;
}

.center {
  text-align: center;
}

.tablinks {
  list-style: none;
  padding-left: 0;
}

.tablinks li {
  display: inline;
  padding: 0 1em;
}

.tabs div {
  display: none;
}

.tabs div:target {
  display: block;
}

footer {
  margin-top: 2em;
}

footer nav {
  margin: 1em 0;
  border-top: 1px dotted #666;
  border-bottom: 1px dotted #666;
  font-size: 0.8em;
}

footer ul {
  list-style-type: none;
  margin: 1em 0;
  padding: 0;
}

footer li {
  display: inline-block;
  padding: 0 1em 0 0;
}

footer .poweredby {
  float: right;
  padding: 0 20px 0 1em;
  background: url(img/casimir.png) no-repeat right;
  background-size: 16px 16px;
}

#bookmarklet a {
  padding: 2px 5px;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  background-color: #bbb;
  border-top: solid 2px #ccc;
  border-right: solid 2px #aaa;
  border-bottom: solid 2px #aaa;
  border-left: solid 2px #ccc;
}