a.preinscription-button {
    border-radius: 4px;
    border-style: dotted;
    border-width: 1px;
    /* font-size: 30px; */
    padding: 10px 20px;
    background-color: #308899;
    color: white;
    display: inline-block;
    margin-left: 10px;
    margin-bottom:20px;
}