html, body {
    height: 100% !important;
}

.bg_gray.pattern {
    height: 100% !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bg-login {
    position: relative;
    background-size: contain;
}

.bg-login:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, .1);
    width: 100%;
    height: 100%;
}

.container-auth-forms .system-logo {
    position: absolute;
    top: 15px;
    left: 15px;
    box-shadow: 0 0 24px 0 rgba(0, 0, 0, .2);
}