............. อยากทราบวิธีวนลูปในไฟล์ css อ่ะครับ ................

#small-dialog-1 {
    background: white;
    padding: 3%;
    text-align: left;
    width:50%;
    max-width: 100%;
    margin: 40px auto;
    position: relative;
    border-radius:2px;
    -webkit-border-radius:2px;
    -moz-border-radius:2px;
    -o-border-radius:2px;
}
#small-dialog-2 {
    background: white;
    padding: 3%;
    text-align: left;
    width:50%;
    max-width: 100%;
    margin: 40px auto;
    position: relative;
    border-radius:2px;
    -webkit-border-radius:2px;
    -moz-border-radius:2px;
    -o-border-radius:2px;
}
#small-dialog-3 {
    background: white;
    padding: 3%;
    text-align: left;
    width:50%;
    max-width: 100%;
    margin: 40px auto;
    position: relative;
    border-radius:2px;
    -webkit-border-radius:2px;
    -moz-border-radius:2px;
    -o-border-radius:2px;
}
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