.banner{
    align-content: center;
    text-align: center;
    background: #ECEFF0;
    width: 100%;
    height: 60vh;
    color: #000;
    font-size: 100px;
}

.banner-main{
    margin-top: 35px;
    align-content: center;
    text-align: center;
    background: #ECEFF0;
    justify-self: center;
    border-radius: 20px;
    width: 95%;
    height: 60vh;
    color: #000;
    font-size: 100px;
}
@media (max-width:730px){
    .banner{
        width: 100%;
        height: 80vh;
    }
    .banner-main{
        height: 80vh;
    }
}