.main-login {
    position: relative;
}

.main-login:before {
    position: absolute;
    content: "server error";
    font-weight: 600;
    text-transform: uppercase;
    font-size: 100px;
    color: #fff;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    letter-spacing: 8px;
}