.pagenotfound_container {

    margin-top:100px;
    padding-top:150px;
    padding-bottom:250px;
    text-align:center;
}

.message-back {
    margin-bottom:100px;
}

.link-back {
    background-color: #162e49;
    color: #fff;
    padding: 20px;
    width: 200px;
    max-width: 200px;
    border-radius: 20px;
}

    .link-back:hover {
        background-color: #5C88C6;
        color:#fff;
        text-decoration:none;
    }