#main {
    background: #011526;
    position: relative;
    height: 100vh;
    bottom: 0px;
}

#contentError {
    text-align: center;
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%,-50%);
    color: #DFDFDF;
}

/*#coverBack {
    width: 100%;
    height: 100%;
    text-align: center;
}*/

#errorimg {
    width: 80px;
    color: #DFDFDF;
}

#codeType {
    color: #DFDFDF;
    font-weight: bolder;
    font-size: 40px;
    /*margin-top: 10px;*/
}

.sf-footer {
    position: fixed;
    bottom: 0;
    height: 40px;
    background: #081f36;
    line-height: 40px;
    font-size: 10px;
    /* width: 100%; */
    z-index: 1507;
    /* margin-left: -15px; */
    margin-left: -20px;
}

#messageCode {
    color: #DFDFDF;
    font-size: 20px;
    /*margin-top: -2vw;*/
    margin-bottom: 30px;
}


a.goback-btn {
    color: inherit;
    text-decoration: inherit;
}

.goback-btn {
    padding: 10px 20px;
    border: 1px solid #DFDFDF;
    border-radius: 10px;
    margin-top: 20px;
    transition: border-color 0.2s ease-in, color 0.2s ease-in;
}
    .goback-btn:hover {
        border-color: #6DAFC6;
        color: #6DAFC6;
    }