.whatsapp {
    min-width: 150px;
    max-width: 250px;
    color: #fff;
    font-size: 1.2em;
    text-align: center;
    padding: 10px;
    margin: 0 auto 0 auto;
    background: #20B038;
    -webkit-transition: All 0.5s ease;
    -moz-transition: All 0.5s ease;
    -o-transition: All 0.5s ease;
    -ms-transition: All 0.5s ease;
    transition: All 0.5s ease;
}

.telefon {
    min-width: 250px;
    max-width: 400px;
    text-align: center;
    padding: 10px;
    margin: 0 auto 0 auto;
    background: #1e83d6;
    color: #fff;
    font-size: 1.2em;
}