@keyframes rotscl {
  from {
    -webkit-transform: rotate(0deg) scale(2);
    transform: rotate(0deg) scale(2);
    }
  to {
    -webkit-transform: rotate(360deg) scale(0);
    transform: rotate(360deg) scale(0);
  }
}

body {
  margin: 0;
  padding: 0;
}

#animation {
  position: fixed;
  top: 50%;
  left: 50%;
  margin-top: -187px;
  margin-left: -190px;
  background: url('../image/Potato.png') 0 0 repeat;
  width: 375px;
  height: 360px;
  -webkit-animation: rotscl 5s ease;
  animation: rotscl 2s ease;
}

h1,h4 {
  text-align: center;
}

section {
  margin: 50px auto;
  width: 400px;
  height: 50px;
  line-height: 50px;
  font-size: 14pt;
  text-align: center;
  border: 1px solid #000;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  box-shadow: inset 0 0 0 #000;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

section > article.a {
  position: absolute;
  text-align: center;
  width: 100%;
  top: 51px;
}

section:hover {
  box-shadow: inset 0 0 4px #000;
  -webkit-transition: box-shadow 0.5s;
  transition: box-shadow 0.5s;
}

section:active > article.q {
  opacity: 0;
  -webkit-transition: opacity 0.1s;
  transition: opacity 0.1s;
}
section:active > article.a {
  top: 0;
  -webkit-transition: top 0.1s;
  transition: top 0.1s;
}