html{
    font-family: "Arial", "Helvetica", sans-serif;
    font-size: 16px;
}

.mbtn{
    padding: 0 15px;
    border-radius: 15px;
    text-decoration: none;
    color: #fff;

}

.mbtn :hover{
    border: 1px solid #fff;
    color: #fff;
}