摘要:<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>css中的浮动</title> <style type="text/css"> *{margin:&nbs
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>css中的浮动</title> <style type="text/css"> *{margin: 0px;padding: 0px;} .box1{height: 40px;width: 90px;background: gray;float: left;line-height: 40px;margin: 0px 1px;text-align: center;} .row{height: 40px;width: 120px;background: pink;display: none;} .clean{clear: both;} .box1:hover .row{display: block;} .box2{height: 30px;width: 460px;text-align: center;background: red;line-height: 30px;} </style> </head> <body> <div class="box1">HTML <div class="row">块级元素</div> <div class="row">行内元素</div> <div class="row">行内块元素</div> </div> <div class="box1">CSS <div class="row">内联样式</div> <div class="row">内部样式</div> <div class="row">外联样式</div> </div> <div class="box1">JavaScript <div class="row">字符串</div> <div class="row">字典</div> <div class="row">元组</div> </div> <div class="box1">jQuery <div class="row">1</div> <div class="row">2</div> <div class="row">3</div> </div> <div class="box1">PHP <div class="row">1</div> <div class="row">2</div> <div class="row">3</div> </div> <div class="clean"></div> <div class="box2">*****************</div> </body> </html>
批改老师:天蓬老师批改时间:2019-03-08 09:38:39
老师总结:在css中, 浮动是元素脱离文档流, 然后重新排列的重要手段, 也是布局的前提之一, 但要注意, 浮动起来之后, 内联元素就支持宽高了