@media screen and (max-width:1200px) {
    .container{
        margin: 0 20px;
    }
}
@media screen and (max-width:900px) {
    .description_head{
        flex-direction: column-reverse;
        align-items: center;
    }
    .description_foot{
        flex-direction: column;
    }
    .footer_main{
        flex-direction: column;
    }
    .nav{
        /* display: none; */
        position: fixed;
        background-color: white;
        left: -250px;
        top: 0;
        height: 100vh;
        bottom: 0;
        width: 250px;
        transition: 0.5s;
    }
    .nav ul{
        flex-direction: column;
        gap: 20px;
        margin-top: 40px;
    }
    .nav_toggle{
        display: inline;
    }
    #navBtn:checked ~ .nav{
        left: 0;
    }
    .description_head div,
    .description_head img{
        width: 100%;
    }
}