標籤：
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Document</title> 6 <style> 7 *{margin:0;padding:0;} 8 .arrow_box{ 9 position:relative;10 background: #88b7d5;11 border:4px solid #c2e1f5;12 }13 .arrow_box{14 padding:40px;15 width:280px;16 height:100px;17 border-radius: 6px;18 margin:50px auto;19 }20 21 .arrow_box:before,.arrow_box:after{22 position:absolute;23 bottom: 100%;/*此時的箭頭位置在最上面 top：100%;此時的箭頭位置在最下面*/24 left: 50%;25 border: solid transparent;26 content: " ";27 height: 0; 28 width: 0; 29 pointer-events: none;30 }31 .arrow_box:before{32 border-color: rgba(194, 225, 245, 0);33 border-bottom-color: #c2e1f5;/*箭頭指向上；要想箭頭朝下用 border-top-color:#c2e1f5;*/34 border-width:36px;35 margin-left:-36px;36 }37 .arrow_box:after{38 border-color: rgba(136, 183, 213, 0);39 border-bottom-color: #88b7d5;
/*箭頭指向上；要想箭頭朝下用 border-top-color:#c2e1f5;*/
40 border-width:30px; 41 margin-left:-30px; 42 } 43 </style> 44 </head> 45 <body> 46 <div class="arrow_box"> 47 <h1 class="logo">css arrow please!</h1> 48 </div> 49 </body> 50 </html>
氣泡框箭頭製作
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