摘要:
.iframe { width: 70%; height: 80%; top: 50%; left: 50%; transform: translate(-50%, -50%); position: fixed; z-index: 999; display: none; } 阅读全文
摘要:
1,box-sizing:border-box; 属性 div.container { width:30em; border:1em solid green; } div.box { box-sizing:border-box; -moz-box-sizing:border-box; /* Fire 阅读全文
摘要:
1,用jpg png 写法: <link rel="icon" type="image/png" sizes="32x32" href="images/icons/favicon.png" class="keep"> 通常的写法: <link rel="shortcut icon" href="im 阅读全文