*, *:before, *:after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    }
    html {
      background-color: #aaaaaa;
      background-image: url(logo.png);
      background-repeat: no-repeat;
      background-position: center;
      background-attachment: fixed;
      background-size: cover;
    }
    html,body {
    margin: auto;
    padding: 0;
    }
    * {
    word-break: break-all;
    word-wrap: anywhere;
    overflow-wrap: anywhere;
    text-shadow: white 0 0 10px;
    font-family: sans-serif;
    text-align: center;
    vertical-align: middle;
    }