#content {
    background: url(../../assets/img/ywd3.jpg) center center / cover no-repeat;
    z-index: 9;
    margin: 0 auto;
    width: 100vw;
    max-height: 1080px;
    display: block;
    overflow-y: auto;
}

#content .body {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 50px;
    background-color: rgb(255 255 255 / 50%);
}

tbody,
td,
tfoot,
th,
thead,
tr {
    border-width: 1px;
}

#content .body table {
    border-color: #000000f2;
}