.maingrid  {
    padding: 0;
    display: grid;
    max-width: 100vw;
    grid-template-columns: 1fr;
    gap: 10px;
}
li {
    text-decoration: none;
    list-style-type: none;
    box-shadow: 0 0 15px rgba(0,0,0,.30);
    margin: 10px auto;

}