.header{
    height: 40px;
    line-height: 40px;
    color: #0781fc;
    display: block;
    font-size: 36px;
    margin-block-start: 0.83em;
    margin-block-end: 0.83em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    font-weight: bold;
    text-align: center;
}