html, body {
    background-color: #FFFFFF;
    background-size: cover;
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    font-family: 'Roboto' , sans-serif;
    font-size: 18px;
    font-weight: 400;
}

.img {
-webkit-background-size:cover;
width:100%;
height:100%;
}


@media only screen and (max-width: 768px) {
    .door {
        display: none;
    }
    .flex-left {
        align-items: center;
    }
    .person {
        display: none;
    }
    .floor-bg {
        display: none;
    }
    .wall-bg {
        margin-top: 0 !important;
        background-image: none;
    }
    .flex {
        background-color: #e6e9ed;
    }
}