Html - 对话箭头
对话箭头
<!DOCTYPE HTML> <html lang="en-US"> <head> <meta charset="UTF-8"> <title>箭头</title> <style type="text/css"> .pr { position: relative; } .reply-content { background-color: #fcfcfc; border: 1px solid #fcfcfc; border-radius: 4px; box-shadow: 0 0 5px #ccc; padding: 0.6em; width: 50%; margin: 0px auto; } .arrow { border-color: transparent #fff transparent transparent; border-style: dashed solid dashed dashed; border-width: 6px; display: block; font-size: 0; height: 0; left: -12px; line-height: 0; position: absolute; top: 8px; width: 0; z-index: 999; } /*箭头向上*/ .arrow-up { width: 0; height: 0; border-left: 30px solid transparent; border-right: 30px solid transparent; border-bottom: 30px solid #f00; } /*箭头向右*/ .arrow-right { width: 0; height: 0; border-top: 20px solid transparent; border-bottom: 20px solid transparent; border-left: 20px solid green; } /*箭头向下*/ .arrow-down { width: 0; height: 0; border-left: 40px solid transparent; border-right: 40px solid transparent; border-top: 40px solid #ccc; } /*箭头向左*/ .arrow-left { width: 0; height: 0; border-top: 30px solid transparent; border-bottom: 30px solid transparent; border-right: 30px solid #00f; } </style> </head> <body> <div class="reply-content pr"> <span class="arrow"></span> 喵了个咪日了狗了 </div> </body>