@media screen and (max-width: 900px){
    .header {
        width: 100%;
        padding-top: 10px;
        position: sticky;
        top: 0px;
        background-color: hsl(0deg 0% 10%);
        box-shadow: 0 0 10px -5px #000;
        flex-wrap: wrap;
        flex-direction: row;
        justify-content: space-between;
        display: flex;
        height: auto;
        margin-bottom: 0px;
        align-items: center;
        align-items: center;
        padding-bottom: 10px;
    }
    .logo__and__menu {
        flex-wrap: wrap;
        flex-direction: row;
        justify-content: space-between;
        display: block;
        height: auto;
        color: #000;
        margin-bottom: 50px;
        align-items: center;
        margin-bottom: 0px;
    }
    .content__f__contact__text {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
        row-gap: 30px;
    }
    .content__f__contact__text__inner{
        text-align: center;
    }
    .content__f__contact__img__inner img{
        width: 100%;
    }
    .content__f__contact{
        margin-top: 100px;
    }
    .content__f__block__text h1 {
        font-size: 55px;
    }
    .content__f__block__text p {
        font-size: 22px;
    }
    .logo {
        margin-left: 5%;
        width: 200px;
    }
    .logo__and__menu > nav {
        position: absolute;
        right: 0;
        margin-right: 0;
        padding-bottom: 10px;
        display: none;
        width: 0;
        overflow: hidden;
    }
    .menu__btn{
        display: block;
        width: 40px;
        height: 25px;
        margin-right: 5%;
        position: relative;

    }
    .menu__btn span{
        position: absolute;
        height: 3px;
        width: 100%;
        background-color: #fff;
        border-radius: 5px;
        transition: all .3s;
        opacity: 1;
    }
    .line__t,
    .line__th{
        top: calc(50% - 1.5px);
    }
    .line__f{
        bottom: 0;
    }
    .menu__btn.active .line__o{
        opacity: 0;
    }
    .menu__btn.active .line__f{
        opacity: 0;
    }
    .menu__btn.active .line__t{
       transform: rotate(45deg);
       width: 80%;
    }
    .menu__btn.active .line__th{
        transform: rotate(-45deg);
        width: 80%;
     }
    #nav.active{
        display: block;
        width: 80%;
        position: fixed;
        top: 50px;
        min-height: 100vh;
        background-color: rgba(26, 26, 26, 0.9);

    }
    #nav.active ul{
        display: grid;
        grid-template-columns: 1fr;
        row-gap: 10px;

    }
}