@charset "UTF-8";

header {
    min-width: 350px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #333;
    padding: 20px 0;
    z-index: 9999;

    .boxes {
        display: grid;
        grid-template-columns: auto 320px 40px;

        .box_2 {
            padding-right: 20px;
        }
    }

    h1 img {
        height: 40px;
    }
}

@media (max-width: 600px) {
    header {
        .boxes {
            display: grid;
            grid-template-columns: auto 40px;
            grid-template-rows: auto auto;
            gap: 10px;

            .box_1 {
                grid-column: 1 / 2;
                grid-row: 1;
            }
        
            .box_3 {
                grid-column: 2 / 3;
                grid-row: 1;
            }
        
            .box_2 {
                grid-column: 1 / 3;
                grid-row: 2;
                width: 100%;
                padding-right: 0;
            }
        }
    }
}