摘要:
无缝滚动 <style> *{ margin:0; padding:0; } #content{ height:200px; width:500px; background:pink; margin:200px; position:relative; overflow:hidden; } #box{ 阅读全文
摘要:
验证码倒计时 1 <style> 2 .btn{ 3 color:red; 4 } 5 .dian{ 6 color:green; 7 } 8 </style> 9 <body> 10 <input type="button" class="btn" value="获取验证码" onclick="d 阅读全文