.header{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr;
    align-items: center;
    justify-items: end;
    padding: 10px 5%;
    column-gap: 20px;
}

@media screen and (max-width:480px) {
    .header{
        column-gap: 10%;
    }
}