.error {
    width: 1200px;
    height: 800px;
    background: url(../images/error.png) no-repeat top center;
    margin: 0 auto;
    margin-top: 50px;
}

.back {
    padding-top: 443px;
    padding-left: 207px;
}

.back a {
    color: #fff;
    padding: 19px 92px;
    border-radius: 10px;
    background: linear-gradient(to bottom right, #ffa001, #ff8007);
    text-align: center;
    font-size: 38px;
    font-weight: bold;
    text-decoration: none;
}

.back a img {
    vertical-align: middle;
    margin-right: 10px;
    margin-top: -10px;
}