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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <style>
- div {
- width: 800px;
- height: 800px;
- /* 边框
- 复合属性
- */
- /* 边框粗细 */
- border-width: 12px;
- /* 边框样式
- solid 实线
- dashed 虚线
- dotted 点线
- double 双边框
- */
- /* color 颜色 */
- color: #f00;
- border-style: double;
- /* 边框颜色 */
- border-color: red;
- /* border:5px solid rgb(255,255,0); */
- /* background: url('../1.html/images/1.png') no-repeat; */
- /* background-size: cover; */
- background: #ff0;
- /* 透明 */
- background: transparent;
- /* opacity: .5; */
- /* background-color: rgba(0,0,255,.5); */
- /* border-top: 10px solid #00f; */
- /*
- border-top
- border-bottom
- border-right
- border-left
- */
- /* 圆角边框 */
- border-radius: 20px;
- /*
- border-bottom-right-radius 右下
- border-top-right-radius 右上
- border-bottom-left-radius 左下
- border-top-left-radius 左上
- */
- border-bottom-right-radius: 50px;
- }
- /*
- opacity:0~1
- 颜色 rgba: a=> alpha 透明度(0-1)
- 红 #f00 #ff0000 rgb(255,0,0)
- 黄 #ff0 #ffff00 rgb(255,255,0)
- 蓝 #00f #0000ff rgb(0,0,255)
- 绿 #0f0 #00ff00 rgb(0,255,0)
- 黑 #000 #000000 rgb(0,0,0)
- 白 #fff #ffffff rgb(255,255,255)
-
- */
- input {
- /* border: none; */
- /*
- 轮廓
- 所有属性与border相同
- outline
- */
- outline: none;
- outline: 1px solid #ff0;
- }
- </style>
- </head>
- <body>
- <div>12121</div>
- <input placeholder="请输入你喜欢的颜色">
- </body>
- </html>
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