@media(max-width:1280px){
    header nav .item a.button{
        padding-top: 7px;
    }
    header nav .item a{padding-top: 5px;}
    header nav .item a img{display: inline-block;}
    header nav .item a span{display: none;}
    header nav .mnav{
        display: none;
        background: #0F1015;
        position: absolute;
        top: 100%;
        right: 0;
        padding: 15px;
    }
    header nav .mnav .item{
        display: block;
        width: 100%;
        margin-bottom: 10px;
        text-align: right;
    }
    header nav .mtnav{display: inline-block;}
    
    #home h1 {
        font-size: 40px;
        line-height: 40px;
    }
    #home .pdr {
        bottom: 45%;
        left: 48%;
    }
    #home .img {
        bottom: -80px;
        right: -130px;
    }
    #home .img img.prd {
        left: 13%;
        bottom: 27%;
    }
    
    #about .bxs {
        bottom: -30%;
        right: auto;
        left: 50%;
    }
    
    #best .item{
        width: calc(50% - 15px);
    }
    
    #best2 .items{
        width: 100%;
    }
    
    #form .items form{
        float: none;
        width: 100%;
        margin: 0;
    }
    #form .items .choice{
        float: none;
        width: 100%;
        margin: 0 0 20px;
    }
    
    #info .left, #info .right{
        margin: 0 0 20px;
        float: none;
        width: 100%;
    }
    #info .right button{
        width: 100%;
        max-width: 100%;
        font-size: 15px !important;
        white-space: nowrap;
        padding: 0 15px !important;
    }
    
    #sert .btns .btn{
        line-height: 40px;
    }
    #sert .items .item{
        margin: 0 10px;
    }
    
    #reviews .item{
        margin: 0 10px;
    }
    .imgv{width: 175px;}
}
@media(max-width:800px){
    h3.name{
        font-size: 24px;
        margin-bottom: 10px;
    }
    #home .container {
        padding-top: 50px;
        padding-bottom: 270px;
    }
    #home .pdr{
        position: relative;
        left: auto;
        bottom: auto;
        /* margin: -50px 0 -40px; */
        margin: -20px 0 -80px;
    }
    #home .img {
        width: 80%;
        bottom: -50px;
        right: -60px;
    }
    #home .img img.prd {
        left: 13%;
        bottom: 27%;
        width: 200px;
    }
    
    #about .container{
        padding-top: 50px;
        padding-bottom: 300px;
    }
    #about .txt {
        width: 100%;
        float: none;
    }
    #about .bxs {
        bottom: -5%;
        right: auto;
        left: 25%;
        width: 400px;
        height: auto;
    }
    
    #usage .item{
        width: 100%;
        margin-right: 0;
    }
    
    #best .item{margin-right: 0;width: 100%;}
    
    #catalog{padding: 20px 0;}
    #catalog .items .item{width: 100%;margin-right: 0;}
    
    #video .item{margin: 0 0;}
    .inf_pop{
        width: 90%;
        left: 5%;
        margin-left: 0;
    }
    
    #form{
        padding: 20px 0;
    }
    
    #form .choice .img{
        height: 200px;
    }
    #home .imgv{
        position: relative;
        width: 250px;
        left: 50%;
        margin-left: -125px;
    }
}
@media(max-width:480px){
    #reviews .item{
        margin: 0 0;
    }
    
    #home .img {
        width: 90%;
        bottom: -60px;
        right: -50px;
    }
    #home .inf span{font-size: 16px;}
    
    #zvonok{
        width: 90%;
        margin-left: 0;
        left: 5%;
    }
    
    #form .items{width: 100%;}
    #form form .info p{
        white-space: normal;
    }
    
    #best2 .item{
        min-height: 120px;
        height: 120px;
        font-size: 16px !important;
        width: 49%;
    }
    #best2 .item:nth-child(1),
    #best2 .item:nth-child(2){min-height: 0;padding: 5px 15px;}
    /* .imgv{
        width: 150px;
        left: auto !important;
        right: 10px !important;
        bottom: 180px !important;
    } */
}
@media(min-width:1280px){
    #best .item:nth-child(3n){margin-right: 0;}
    
    #catalog .items .item{width: calc(33% - 10px);}
    #catalog .items .item:nth-child(3n){margin-right: 0;}
    
    #sert .items .item{
        width: calc(25% - 12px);
    }
    #sert .items .item:nth-child(4n){margin-right: 0;}
    
    #reviews .item{
        width: 32%;
    }
    #reviews .item:nth-child(3n){
        margin-right: 0;
    }
}
@media (min-width: 800px) and (max-width: 1280px) {
    #catalog .items .item{width: calc(50% - 15px);}
    #catalog .items .item:nth-child(2n){margin-right: 0;}
}
@media (min-width: 480px) and (max-width: 1280px) {
    #best .item:nth-child(2n){margin-right: 0;}
}