.blackblock{
    height: 18px;
    width: 20px;
    position: relative;
    background-color: #333f4b;
    color: #FFFFFF;
}
.rightToggle {
    float: right;
    margin-right: 10%;
}
#ipv4setting{
    border: 1px solid;
    margin-right: 10px;
    margin-bottom: 20px;
}
#ipv4setting table{
    margin:10px 20px 20px;
}

#ipv6setting{
    border: 1px solid;
    margin-left: 10px;
    margin-bottom: 20px;
}
#ipv6setting table{
    margin:10px 20px 20px;
}