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我想在光標懸停在單詞上時顯示關閉圖像。 關閉圖像應顯示在所選單詞的左上角。 但是,它只顯示所有單詞的一個關閉按鈕。當鼠標懸停在單詞上時顯示關閉按鈕
我的目標是有一個像紅色的字「應用」做了關閉按鈕。
span.mydict_highlighted {
background-color: yellow;
}
span.birch_close_btn {
position: absolute;
opacity: 0;
transform: scale(0.6);
left: -8px;
top: -8px;
width: 160px;
height: 160px;
cursor: pointer;
z-index: 1000;
transition: opacity 275ms, transform 275ms cubic-bezier(0.175, 0.885, 0.32, 1.275), background 175ms;
float: right;
text-shadow: 0 1px 0 #ffffff;
opacity: 0.2;
filter: alpha(opacity=20);
background: url(data:image/png;base64,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) no-repeat border-box;
<span class="mydict_highlighted">
building
<span class="birch_close_btn"> </span>
</span>
}