p {
    font-weight: 600;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    color:white;
    font-size: 2.5em;
}

body {
    background: #333;
    overflow-y: hidden;
  }
  body .center {
    left: 50%;
    top: 50%;
    position: absolute;
    margin-left: -200px;
    margin-top: -200px;
  }
  body .center .select-button {
    width: 400px;
    height: 360px;
    line-height: 360px;
    text-align: center;
    cursor: pointer;
    border-radius: 50%;
    background: #f74d4d;
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #f15c5c), color-stop(100%, #f7676c));
    background-image: -moz-gradient(linear, left top, left bottom, color-stop(0%, #f74d4d), color-stop(100%, #f86569));
    box-shadow: 0 30px #af3838;
  }
  body .center .select-button:active {
    box-shadow: 0 0 #e24f4f;
    -webkit-transform: translate(0px, 30px);
    -moz-transform: translate(0px, 30px);
    -ms-transform: translate(0px, 30px);
    -o-transform: translate(0px, 30px);
    -webkit-transition: 0.1s all ease-out;
    -moz-transition: 0.1s all ease-out;
    -ms-transition: 0.1s all ease-out;
    -o-transition: 0.1s all ease-out;
    transition: 0.1s all ease-out;
  }