#sign_in_up_bg {
    background: #f7f7f7 !important;
    position: relative;
    width: 100%;
}

#sign_in_up_bg:before {
    content: "";
    background: url(../assets/img/sign.svg) no-repeat center;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    position: absolute;
    pointer-events: none;
    background-size: cover;
    opacity: 0.04;
}