main img {
    width: 300px;
}
main {
    text-align: center;
    width: 1000px;
    font-size: 20px;
    height:500px;
    animation: ShowMain 0.8s ease-out forwards;
}
@media (max-width: 767px) {
    main {
        height:1250px;
        width: 300px;
    }
}