Blogger Information
Blog 35
fans 0
comment 0
visits 22320
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
html和css基础知识(盒子模型and对齐方法and相对定位)—2018年8月17日17:01:24
Hi的博客
Original
801 people have browsed it

在web页面设计中。都是一个大盒子中套着无数个小盒子,因此学好盒子的模型设计。元素的对其方式,和相对定位的使用。在日后的布局中是相当有用的。

以下是我的代码

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>盒子、对齐方式、相对定位</title>
    <style>
        body{
            margin: 0;
            padding: 0;

        }
        h1,h3{
            text-align: center;
        }
        .box1{
            width: 300px;
            height: 300px;
            background:blue;
            color: #efefef;
        }
        .box2{
            width: 300px;
            height: 300px;
            background:green;
            color: #efefef;
            margin-top: 20px;
        }
        .box3{
            width: 300px;
            height: 300px;
            background: peru;
            color: #efefef;
            text-align: center;

        }
        .box3 span{
            line-height: 300px;
        }
        .box4 {
            width: 300px;
            height: 300px;
            background: pink;
            color: #efefef;

            text-align: center;
            /*display: table-cell;将这个盒子转换为一个单元格显示*/
            display: table-cell;
            /*vertical-align: middle; 垂直居中*/
            vertical-align: middle;
        }
        .box5{
            width: 300px;
            height: 300px;
            background: peru;
            display: table-cell;
            vertical-align: middle;
        }
        .box5 p{
            width: 200px;
            height: 200px;
            background: blueviolet;
            margin: 0 auto;
            text-align: center;
            line-height: 200px;
        }
        .box6{
            width: 300px;
            height: 300px;
            text-align: center;
            display: table-cell;
            /*vertical-align: bottom;位于底部*/
            vertical-align: bottom;
            background: #0388f1;
        }
        ul{
            margin: 0;
            padding: 0;
        }
        .box6 ul li{
            display: inline;
        }
        #box10{
            width: 900px;
            height: 900px;
            /*position: relative;把父级用来相对定位*/
            position: relative;
        }
        .a1{
            width: 300px;
            height: 300px;
            background: #0388f1;
            /*position: absolute;绝对定位*/
            position: absolute;
            top: 0;
            left: 300px;
        }
        .a2{
            width: 300px;
            height: 300px;
            background: #efefef;
            /*position: absolute;绝对定位*/
            position: absolute;
            top: 300px;
            left:0;
        }
        .a3{
            width: 300px;
            height: 300px;
            background:indianred;
            /*position: absolute;绝对定位*/
            position: absolute;
            top: 300px;
            left: 300px;
        }
        .a4{
            width: 300px;
            height: 300px;
            background: hotpink;
            /*position: absolute;绝对定位*/
            position: absolute;
            top: 300px;
            left: 600px;
        }
        .a5{
            width: 300px;
            height: 300px;
            background: powderblue;
            /*position: absolute;绝对定位*/
            position: absolute;
            top: 600px;
            left: 300px;
        }
    </style>
</head>
<body>
<h1>盒子模型</h1>
<div class="box1">我是盒子1</div>
<div class="box2">我是盒子2</div>
<hr>
<h1>元素对齐的四种方式</h1>
<h3>第一种</h3>
<div class="box3"><span>子元素是单行的行内元素</span></div>
<h3>第二种</h3>
<div class="box4">
    <span>子元素是多行的行内元素</span><br>
    <span>子元素是多行的行内元素</span>
</div>
<h3>第三种</h3>
<div class="box5">
    <p>子元素是块元素</p>
</div>
<h3>第四种</h3>
<div class="box6">
    <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>子元素是不定宽的块元素</li>
    </ul>
</div>
<hr>
<h3>绝对定位</h3>
<div id="box10">
    <div class="a1"></div>
    <div class="a2"></div>
    <div class="a3"></div>
    <div class="a4"></div>
    <div class="a5"></div>
</div>
<hr>
</body>
</html>

运行实例 »

点击 "运行实例" 按钮查看在线实例

总结,

昨晚的学习。没有像前晚的样式选择器的那么难啃。干货不是很多。总体来说还是收获挺多的。知道了元素的对齐方式,、

相对定位的使用。盒子模型的使用。

        



Statement of this Website
The copyright of this blog article belongs to the blogger. Please specify the address when reprinting! If there is any infringement or violation of the law, please contact admin@php.cn Report processing!
All comments Speak rationally on civilized internet, please comply with News Comment Service Agreement
0 comments