| <!DOCTYPE HTML> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> | |
| <title>div定位</title> | |
| <style> | |
| /*方法1*/ | |
| body > .d { | |
| background-color: green; | |
| width: 500px; | |
| height: 100px; | |
| position: relative; | |
| } | |
| .bar { | |
| background-color: red; | |
| width: 200px; | |
| height: 50px; | |
| margin: auto; | |
| position: absolute; | |
| top: 0; | |
| bottom: 0; | |
| right: 0; | |
| } | |
| /*方法2*/ | |
| body>.d2{ | |
| background-color: green; | |
| width: 500px; | |
| height: 100px; | |
| display:table-cell; /*此元素會作爲一個表格單元格顯示（類似 <td> 和 <th>）*/ | |
| vertical-align:middle; | |
| text-align: right; | |
| } | |
| .bar2{ | |
| width:200px; | |
| height:50px; | |
| display:inline-block; | |
| background-color: red; | |
| /*float:right;*/ | |
| } | |
| /*方法3*/ | |
| body>.d3{ | |
| background-color: green; | |
| width: 500px; | |
| height: 100px; | |
| display:flex; | |
| justify-content: flex-end; | |
| align-items:center; | |
| } | |
| .bar3{ | |
| width:200px; | |
| height:50px; | |
| background-color: red; | |
| } | |
| /*方法4*/ | |
| body>.d4{ | |
| background-color: green; | |
| width: 500px; | |
| height: 100px; | |
| position: relative; | |
| } | |
| .bar4{ | |
| width:200px; | |
| height:50px; | |
| background-color: red; | |
| margin:auto; | |
| position:absolute; /*設定水平和垂直偏移父元素的50%，再根據實際長度將子元素上左挪回一半大小*/ | |
| left: 100%; | |
| top:50%; | |
| margin-left: -200px; | |
| margin-top:-25px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="d"> | |
| <div class="bar"> | |
| </div> | |
| </div> | |
| <hr> | |
| <div class="d2"> | |
| <div class="bar2"></div> | |
| </div> | |
| <hr> | |
| <div class="d3"> | |
| <div class="bar3"></div> | |
| </div> | |
| <hr> | |
| <div class="d4"> | |
| <div class="bar4"></div> | |
| </div> | |
| </body> | |
| </html> |
2
發表評論
所有評論
還沒有人評論，想成為第一個評論的人麼? 請在上方評論欄輸入並且點擊發布.
相關文章