#error_png{
    margin: 0 auto;
    padding-right: 310px;
    position: relative;
    max-width: 500px;
    height: 200px;
}
body{
    background-color: grey;
}


@media only screen and (max-width : 768px) {
    #error_picture{height: 373px;
        display:block;
        margin:auto;
        text-align: center;
        padding-top: 141px;}
  }