#content {
    width: 80%;
    height: 700px;
    border: 2px solid;
    border-radius: 50px 50px;
    margin: 30px auto 10px auto;
    padding: 30px;
    text-align: left;
    overflow: scroll;
}

#tab {
    width: 80%;
    margin: 0px auto 0px auto;
}

td {
    padding: 0px 30px;
}

th {
    border-bottom: 1px solid;
}

tr:hover {
    background-color: black;
}