.login_bg{
    position: absolute;
    width: 100vw;
    height: 320px;
}
.login_bg_title{
    position: relative;
    font-weight: bold;
    font-size: 26px;
    margin-left: 15px;
    color: #000;
}

.form-class{
    position: relative;
    display:inline-block;
    margin-top: 10vh;
}