CSS属性2_盒子模型:
1.盒子模型:控制布局
margin :外边距
padding :内边距
默认情况下内边距会影响整个盒子的大小
box-sizing: border-box;设置盒子的属性,让width和height就是最终盒子的大小
float :浮动
left
right
代码实现:
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>CSS盒子模型属性</title> <style type="text/css"> div{ /*border 边距*/ border: 1px solid red; /*width 宽度*/ width: 100px; } .div1{ /*width 宽度*/ width: 100px; /*height 高度*/ height: 100px; /*外边距*/ /* margin: 50px; */ } .div2{ /*width 宽度*/ width: 200px; /*height 高度*/ height: 200px; /*padding 内边距*/ padding: 50px; /* 设置盒子的属性,让width和height就是最终盒子的大小 */ box-sizing: border-box; } .div3{ /*float 左浮动*/ float: left; } .div4{ /*float 左浮动*/ float: left; } .div5{ /*float 右浮动*/ float: right; } </style> </head> <body> <!--div块标签 class选择器--> <div class="div2"> <div class="div1"></div> </div> <!--div块标签 class选择器--> <div class="div3">aaaaa</div> <!--div块标签 class选择器--> <div class="div4">bbbbb</div> <!--div块标签 class选择器--> <div class="div5">ccccc</div> </body> </html>
CSS案例_注册页面:
完成以下注册界面:
代码实现:
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> *{ margin: 0px; padding: 0px; box-sizing: border-box; } body{ background: url("../img/http.keji.jpg") no-repeat center; } .rg_layout{ width: 1000px; height: 500px; border: 8px solid #EEEEEE; background-color: white; /*让div水平居中*/ margin: auto; margin-top: 15px; } .rg_left{ /*border: 1px solid red;*/ float: left; margin: 15px; } .rg_left > p:first-child{ color: #FFD026; font-size: 20px; } .rg_left > p:last-child{ color: #A6A6A6; font-size: 20px; } .rg_center{ /*border: 1px solid red;*/ float: left; width: 600px; } .rg_right{ /*border: 1px solid red;*/ float: right; margin: 15px; } .rg_right > p:first-child{ font-size: 15px; } .rg_right p a{ color: pink; } .td_left{ width: 100px; text-align: right; height: 45px; } .td_right{ padding-left: 50px; } #username,#password,#email,#name,#tel,#birthday,#checkcode{ width: 251px; height: 32px; border: #A6A6A6 1px solid; /*设置圆角边框*/ border-radius: 5px; padding-left: 10px; } #checkcode{ width: 110px; } #img_check{ height: 32px; vertical-align: middle; } #btn_sub{ width: 150px; height: 40px; background-color: #FFD026; border: #FFD026 1px solid; } </style> </head> <body> <div class="rg_layout"> <div class="rg_left"> <p>新用户注册</p> <p>USER REGISTER</p> </div> <div class="rg_center"> <div class="rg_form"> <!--定义表单 form--> <form action="#" method="post"> <table> <tr> <td class="td_left"><label for="username">用户名</label></td> <td class="td_right"><input type="text" name="username" id="username" placeholder="请输入用户名"></td> </tr> <tr> <td class="td_left"><label for="password">密码</label></td> <td class="td_right"><input type="password" name="password" id="password" placeholder="请输入密码"></td> </tr> <tr> <td class="td_left"><label for="email">Email</label></td> <td class="td_right"><input type="email" name="email" id="email" placeholder="请输入邮箱"></td> </tr> <tr> <td class="td_left"><label for="name">姓名</label></td> <td class="td_right"><input type="text" name="name" id="name" placeholder="请输入姓名"></td> </tr> <tr> <td class="td_left"><label for="tel">手机号</label></td> <td class="td_right"><input type="text" name="tel" id="tel" placeholder="请输入手机号"></td> </tr> <tr> <td class="td_left"><label>性别</label></td> <td class="td_right"> <input type="radio" name="gender" value="male"> 男 <input type="radio" name="gender" value="female"> 女 </td> </tr> <tr> <td class="td_left"><label for="birthday">出生日期</label></td> <td class="td_right"><input type="date" name="birthday" id="birthday" placeholder="请输入出生日期"></td> </tr> <tr> <td class="td_left"><label for="checkcode" >验证码</label></td> <td class="td_right"><input type="text" name="checkcode" id="checkcode" placeholder="请输入验证码"> <img src="../img/5706105.png" id="img_check"> </td> </tr> <tr> <td colspan="2" align="center"><input type="submit" value="注册" id="btn_sub"></td> </tr> </table> </form> </div> </div> <div class="rg_right"> <p>已有账号?<a href="#">立即登录</a></p> </div> </div> </body> </html>
标签:right,盒子,float,height,width,left,border,CSS,页面 From: https://www.cnblogs.com/hungui/p/16899870.html