#contactus {

    border-radius: 17px 0px 17px 0px;
    background-color: #ffc64d;
    border: none;
    width: 140px;
    height: 35px;
    position: fixed;
    bottom: -6px;
    right: 3px;
    font-size: 14px;
    color: black;
    margin-bottom: 90px;
}
#contactus a{
    text-decoration: none;
    color:black ;
}
#contactus a:hover{
    color:white;
    transition: 500ms ease;
}