2 回答

TA貢獻(xiàn)1829條經(jīng)驗(yàn) 獲得超7個(gè)贊
嗯,所以您希望 background.png 出現(xiàn)在其他圖像后面?如果您堅(jiān)持將其包含在 DOM 中,則需要將其從文檔流中刪除。像這樣的東西:
.column-img {
float: left;
width: 33.33%;
padding: 5px;
}
.background {
position: absolute;
top: 0;
left: 0;
z-index: -1;
}
.background-anchor {
position: relative;
}
<div class="col-lg-12 background-anchor">
<img class="background" src="https://placekitten.com/1300/1300" alt="Change">
<div class="img">
<div class="column-img">
<img src="https://placekitten.com/426/479" alt="" width="426" height="479">
</div>
<div class="column-img">
<img src="https://placekitten.com/425/479" alt="" width="425" height="479">
</div>
<div class="column-img">
<img src="https://placekitten.com/426/479" alt="" width="426" height="479">
</div>
</div>
</div>

TA貢獻(xiàn)1818條經(jīng)驗(yàn) 獲得超11個(gè)贊
CSS:
.img?{ ???background-image:?url('../images/pic.jpg'); }
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