.listaProvincias {
    display: flex;
    flex-wrap: wrap;
    justify-content:center;

}
selector{
    border: 3px solid #58ACFA;
    background-color: #2ECCFA;
    color: white;
    font-size: 17px;
    width: 150px;
    height: 35px;
}
iframe {
    margin-left: 20px;
    margin-right: 20px;
    margin-bottom: 20px;
}
h4 {
    margin-left: 20px;
}