css實現氣泡文字提示框

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css氣泡文字提示框 實現的等腰直角三角形式的對話方塊

效果如下:


代碼如下:

css:.arrow span{border-color:#0FF #000 #f00 #ff0 ; top:0px;}html:<div class="detail">   <div class="arrow" >     <em ></em><span></span>    </div></div>

修改代碼為:

.arrow span{border-color:#FFF  transparent transparent; }

添加代碼

.arrow em{border-color:#a1a1a1 transparent transparent;}

效果如下:

給外層div添加樣式:

等腰直角三角形式的對話方塊效果如下:

代碼如下:

css:.arrow{ position:absolute; width:40px; height:40px; bottom:-40px; left:5px; }.arrow *{ display:block; border-width:20px 20px; position:absolute; border-style:solid dashed dashed dashed; font-size:0; line-height:0; }.arrow em{border-color:#a1a1a1 transparent transparent;}.arrow span{border-color:#FFf  transparent  transparent;top:-4px; }.detail{margin-top: 100px; width:280px; height:80px; border:2px solid #a1a1a1; position:relative;background-color:#FFF; border-radius: 7px; }
實現的等腰三角形式的對話方塊

我們來試著改變各個邊框的寬度使他們不一樣
修改代碼:

.arrow *{ display:block; border-width:30px 10px; position:absolute; border-style:solid dashed dashed dashed; font-size:0; line-height:0; }

效果如下:

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