.call{
    background-color: brown;
    border-radius: 300px;
    padding: 15px;
    font-size: 15px;
    color: azure;
}

.reg{
    background-color: rgb(239, 138, 6);
    border-radius: 50px;
    padding: 10px;
    color: azure;
}

.reg a{
    color: azure;
    font-size: 18px;
}