* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box; }
body{
 background: url('../imgs/rubik.png') center no-repeat fixed;
/*    background-position: center;*/
}
header {
  text-align: center;
  padding: 50px 10px; }

.main {
  text-align: center; }
  .main .play {
      background: rgba(255,255,255,0.8);
    -webkit-box-shadow: 2px 2px 5px gray;
    box-shadow: 2px 2px 5px gray;
    padding: 10px;
    display: -ms-inline-grid;
    display: inline-grid;
    margin: 10px;
    cursor: pointer; }
    .main .play img {
      height: 50px;
      margin: auto; }
    .main .play a {
      text-decoration: none; }