/* body.simple {
    margin-top: 50px !important;
} */

#header_simple {
    display: flex;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    width: 100%;
    height: 50px;
    text-align: center;
    background-color: #0e68b8
}

#header_simple a {
    display: flex;
    height: 50px;
    align-items: center;
}

#contents_simple {
    margin: 0 auto;
}

#site_footer {
    position: fixed;
    left: 0;
    bottom: 0;
    margin: 0;
    width: 100%;
    text-align: left;
}