.close{
    border: 1px solid #3f554e;
    background-color: #fff;
    color: #374048;
}
.content-aff{
    padding-left: 10% !important;
    padding-right: 10% !important;
}

@media only screen and (max-width: 640px) {
    .content-aff{
        padding-left: 5% !important;
        padding-right: 5% !important;
    }
}