html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Helvetica Neue',sans-serif;
  font-size: 12px;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  overflow: hidden;
}
body header,
body article {
  padding: 0 1em;
}

.frame {
  left: 50%;
  margin-left: -100px;
  margin-top: -50px;
  position: absolute;
  top: 50%;
  width: 200px;
}

.dove {
  vertical-align: top;
}

@-webkit-keyframes hover {
  0%,100% {
    margin-left: 0;
    margin-top: 2px;
  }

  50% {
    margin-left: 3%;
    margin-top: 0;
  }
}

@keyframes hover {
  0%,100% {
    margin-left: 0;
    margin-top: 2px;
  }

  50% {
    margin-left: 3%;
    margin-top: 0;
  }
}

.hover {
  margin-top: 0;
  -webkit-animation: hover linear 2s infinite;
          animation: hover linear 2s infinite;
}

.fan {
  float: right;
}

/*
 * Hide only visually, but have it available for screen readers: h5bp.com/v
 */
.visuallyhidden {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}