body {
    background-image: linear-gradient(180deg, #205080 0%, #0A5786 100%);
    margin: 0px;
}

.r4 { padding:15px; width:auto !important}

.pulsanti {
    padding: 12px;
    text-decoration: none;
    width:auto;
    display:block !important;
    text-align:center;
    background:#3f90aa !important
}