header {
    border: 0px;
    border-bottom: 1px dotted #7F7F7F;
    box-shadow: 0px 1.1px 0px 0px #7F7F7F;

    grid-row-start: 1;
    grid-row-end: 3;
    grid-column-start: 3;
    grid-column-end: 10;

    background-color: #4472C4;
    position: fixed;
    top:0px;
    left: 20%;
    width: 100%;
    height: 5%;
}