@media (max-width: 1920px) {
body {
    margin: 0;
    overflow-x: hidden;
    background-color: black;
}
a {
    text-decoration: none;
    color: black;
}
nav {
    height: 15vh;
    width: 100vw;
    background-color: purple;
    display: flex;
    position: fixed;
}
.telegram {
    width: 25vw;
    height: 15vh;
    background: -webkit-linear-gradient(45deg, #588bb0,#00d4b6,#fcf837);
    background: linear-gradient(45deg, #588bb0,#00d4b6,#fcf837);
    display: flex;
    justify-content: center;
    align-items: center;
}
.info {
    width: 55vw;
    height: 15vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.telegram > a, .vkgroup > a {
    font-size: 50px;
    font-family: fantasy, Luminari;
    color: blue;
}
.vkgroup {
    width: 20vw;
    height: 15vh;
    background: -webkit-linear-gradient(90deg, #cce6ff,#7abfff,#52abff);background: linear-gradient(90deg, #cce6ff,#7abfff,#52abff);
    display: flex;
    justify-content: center;
    align-items: center;
}
.info > h1 {
    font-size: 35px;
    color: wheat;
}
.preview > img {
    height: 85vh;
    width: 100%;
    margin-top: 15vh;
}
.promocodes {
    height: 90vh;
    width: 100vw;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.cardwpromos {
    height: 70vh;
    width: 25vw;
    background-color: azure;
    border-radius: 30%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.cardname > h1 {
    padding-top: 1.3em;
    font-size: 1.6em;
}
.promo > h1 {
    font-size: 50px;
}
.polkonf {
    height: 20vh;
    width: 100vw;
    background-color: wheat;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.buy {
    height: 15vh;
    width: 70vw;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #00d4b6;
    border-radius: 20%;
}
.buy > a {
    font-family: fantasy, sans-serif;
    font-size: 30px;
}
.pol > a {
    color: red;
    font-size: 30px;
}
.pol > a:hover {
    color: purple;
    cursor:grab;
}
.buy > a:hover {
    color: red;
    cursor: cell;
}
.error {
    display: flex;
    width: 100vw;
    height: 100vh;
    justify-content: center;
    align-items: center;
    display: none;
}
}
@media (max-width: 1700px) {
    .cardname > h1 {
        font-size: 1.3em;
    }
}
@media (max-width: 1500px) {
    .cardname > h1 {
        font-size: 1em;
        padding-top: 4em;
    }
    nav > .vkgroup > a {
        font-size: 40px;
    }
    nav > .telegram > a {
        font-size: 32px;
    }
}
@media (max-width: 1000px) {
    nav > .vkgroup > a {
        font-size: 28px;
    }
    nav > .telegram > a {
        font-size: 22px;
    }
    .cardwpromos {
        height: 45vh;
        width: 33vw;
    }
    .promo > h1{
        font-size: 35px;
    }
}
@media (max-width: 700px) {
    .preview > img {
        height:50vh;
    }
    .promocodes {
        flex-direction: column;
        height: 150vh;
    }
    .cardwpromos {
        width: 80vw;
        height: 40vh;
    }
    .cardname > h1 {
        font-size: 17px;
    }
    .promo > h1 {
        font-size: 33px;
    }
    .info {
        width: 46vw;
    }
    .telegram, .vkgroup {
        width: 27vw;
    }
    nav > .telegram > a {
        font-size: 15px;
    }
    .info > h1 {
        font-size: 25px;
    }
    .buy > a {
        font-size: 20px;
    }
}
@media (max-width: 500px) {
    .info > h1 {
        font-size: 15px;
    }
    .promo > h1 {
        font-size: 20px;
        color: darkred;
    }
    .pol > a {
        font-size: 25px;
    }
    .cardname > h1 {
        padding-top:1.5em;
        font-size: 20px;
        color: deepskyblue
    }
}
@media (max-width: 300px) {
    .all {
        display: none;
    }
    .error {
        display: block;
    }
    .error > h1 {
        color: white;
    }
}