popup.css

body {
   min-width: 200px;
   text-align: center;
   font-family: century Gothic;
}

.button {
    background-color: #4caf50;
    border: none;
    color: white;
    padding: 5px 14px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
}

.button2 {
    background-color: white;
    color: black;
    border: 2px solid #008cba;
}

.button2:hover {
    background-color: #008cba;
    color: white;
}