1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
/* 訊息篩選小物 */
#filter_tab::before {
    position: absolute;
    width: 100%;
    bottom: 95%;
    text-align: center;
    content: url(游標不在上面的圖);
}

#filter_tab:hover::before {
    position: absolute;
    width: 100%;
    bottom: 95%;
    text-align: center;
    content: url(游標移到上面的圖);
}