td,
th {
    border: 1px solid #dadada;
}
.logout_btn {
    width: 120px;
}
.logout_btn a {
    display: inline-block;
    padding: 5px 20px;
    border: 1px solid #dadada;
    background-color: #FFF;
    color: #000;
    border-radius: 5px;
    text-decoration: none;
    font-size: 16px;
}

body {
    min-height: 100vh;
}