@media (min-width: 490px) {
    .head-container {
        bottom: 5%;
        right: 4%;
    }

    .mainBlock h1 {
        text-align: right;
        font-size: 5.5rem;
        margin-bottom: 0.05em;
    }

    .mainBlock h2 {
        text-align: right;
        margin-bottom: 0.5em;
        font-size: 20px;
    }



}









@media (min-width: 600px) {
    .mainBlock h1 {
        font-size: 6.5rem;
    }

    .mainBlock h2 {
        margin-top: 0.3em;
        margin-bottom: 0.5em;
        font-size: 1.8rem;
    }

    .myContainer {
        padding: 0 4%;
    }

    .howTest .wrap {
        padding: 0 4% 2em;
    }

    .mainMenu {
        display: block;
    }

    .top-header {
        display: none;
    }

    .mainMenu {
        background-color: #E3E3E3;
        height: inherit;
    }

    ul {
        padding: 0.5em 0;
        margin: 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    ul > li > a.a-link {
        display: block;
        text-align: left;
        margin: 0;
        font-size: 1.1rem;
        padding: 0.4em 0;
    }

    ul > li > a.a-link.active {
        color: red;
    }

    .videoBox {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        padding: 0 -10px;
    }

    .videoBox .itemVideo {
        width: 50%;
        padding: 5px;
    }

    .itemVideo iframe {
        height: 300px;
    }


}




@media (min-width: 800px) {
    .string1, .string3 {
        display: flex;
        justify-content: space-between;
    }

    .string1 > div, .string3 >div {
        width: 50%;
        margin: 0 5px;
    }

    .string3 button {
        margin-top: 1.5em;
    }
}





@media (min-width: 900px) {
    .myContainer {
        padding: 0 4%;
}

    footer .topFooter .wrap{
        display: flex;
        justify-content: space-between;
    }

    footer .topFooter .wrap > div {
        width: 20%;
    }

    footer .leftPath {
        text-align: left;
    }

    footer .rightPath {
        text-align: right;
    }

    .topFooter {
        padding: 0;
    }

    .bottomFooter {
        padding: 0.7em 0;
        text-align: left;
    }

    h2 {
        font-size: 3rem;
    }

    .about h2,
    .howTest h2{
        text-align: left;
    }

    .about .blockText {
        width: 65%;
    }

    .howTest {
        display: flex;
        justify-content: space-between;
    }

    .howTest > div {
        width: 50%;
    }

    .howTest .textBlock2 {
        padding-right: 4%;
    }

    .howTest .buttonBlock,
    .about .buttonBlock {
        text-align: left;
    }

    #puzzle {
        height: 15em;
    }

    #wall {
        padding: 4em 0;
    }

    .price .wrap {
        display: flex;
        justify-content: space-between;
    }

    .price .myContainer {
        padding: 0 calc(4% - 0.5em);
    }

    .price .wrap .item {
        margin: 0 0.5em;
    }

    .price {
        padding-bottom: 2em;
    }

    .videoBox .itemVideo {
        width: 33.33%;
        padding: 5px;
    }

    .itemVideo iframe {
        height: 400px;
    }
}

















@media (min-width: 1100px) {
    :root {
        font-size: 1.1rem;
    }

    .itemVideo iframe {
        height: 450px;
    }

}














@media (min-width: 2000px) {
    :root {
        font-size: 1.4rem;
    }

}