input[type=submit] {

  font-size: inherit;

  padding: 0.5ex 1ex;
  margin: 0;

  border: 1px solid #ccc;

  /* http://border-radius.com/ */
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;

  /* http://www.colorzilla.com/gradient-editor/ */
  background: #ffffff; /* Old browsers */
  background: -moz-linear-gradient(top, #ffffff 0%, #cccccc 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffffff), color-stop(100%,#cccccc)); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top, #ffffff 0%,#cccccc 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top, #ffffff 0%,#cccccc 100%); /* Opera11.10+ */
  background: -ms-linear-gradient(top, #ffffff 0%,#cccccc 100%); /* IE10+ */
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#cccccc',GradientType=0 ); /* IE6-9 */
  background: linear-gradient(top, #ffffff 0%,#cccccc 100%); /* W3C */
}