html {
  height: 100%;
}

* {
  margin: 0;
  padding: 0;
}

body {
  margin: 20px;
}

.button_small {
  margin-top: 20px;                /* creates space below the headline */
}

.button_small a {
  display: inline-block;
  font: normal 110% Arial, Helvetica, sans-serif;
  height: 10px;
  width: 140px;
  padding: 5px 5px 10px 7px;
  background: #0043A8;
  background: linear-gradient(#43A9FF, #0043A8);
  border-radius: 15px;
  box-shadow: rgba(0, 0, 0, 0.5) 0 0 5px;
  color: white;
  text-decoration: none;
  text-align: center;
  line-height: 15px;
}