.img_banner{
    position: relative;
    height: 80vh;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    object-fit: cover;
}

.overlay{
    position: absolute;
    width: 100%;
    height: 96vh;
    background: rgba(0, 0, 0, 0.5); /* Black see-through */
    opacity: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    top: 0;
}

.overlay:hover{
    opacity: 0;
}

iframe{
    display: block;
    border-radius: 10px;
    width: 100%;
    height: 90%;
    padding-right: 10%;
}


@media(max-width:520px){
    .bottom_footer, .upper-footer{
        text-align: center;
    }
    #dev_text{
        text-align: center;
    }

    .admisson_head{
        margin-top: 30px;
    }
}