div {
    display: block;
}

.visit_card {
    position: fixed;
    top: 50%;
    left: 50%;
    height: 200px;
    width: 400px;
    margin-top: -100px;
    margin-left: -200px;
    border: 1px solid grey;
    border-radius: 10px 50px 30px;
}

.visit_card .header {
    font-family: Lucida, Console, "Courier New";
    font-size: 35px;
    margin-left: 6px;
}

.visit_card .description {
    
}