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老师批语：flex布局, 是很重要的, 几乎可以写任何页面的布局
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点击 "运行实例" 按钮查看在线实例
.top {
position: fixed;
top: 0;
width: 100%;
height: 42px;
background-color: #444444;
min-width: 320px;
max-width: 768px;
left: 50%;
-webkit-transform: translateX(-50%);
transform: translateX(-50%);
}
.top {
display: flex;
}
.top img:first-of-type,
.top img:last-of-type {
width: 25px;
height: 25px;
margin-top: 8px;
}
.top img:first-of-type {
border-radius: 50%;
margin-left: 5px;
}
.top .logo {
text-align: center;
flex: 1;
}
.top .logo img {
width: 94px;
height: 45px;
}
/*轮播图*/
.banner {
display: flex;
}
.banner img {
width: 100%;
height: 160px;
}
/*导航区*/
.nav {
height: 170px;
background-color: white;
box-sizing: border-box;
}
.nav ul {
margin: 0;
padding: 6px;
}
.nav ul li {
list-style-type: none;
text-align: center;
height: 75px;
}
.nav ul li img {
width: 45px;
height: 45px;
}
.nav ul li a {
text-align: center;
color: gray;
text-decoration: none;
}
.nav ul {
display: flex;
}
.nav ul li {
flex: 1;
}
/*推荐课程区*/
h3 {
color:gray;
}
.courses {
height: 326px;
color: gray;
}
.courses ul {
margin: 0;
padding: 0;
list-style: none;
/*flex布局*/
display: flex;
}
.courses ul li {
padding: 5px;
}
.courses ul img {
width: 100%;
height: 90px;
}
.courses div {
background-color: white;
padding: 10px;
margin-top: 10px;
height: 90px;
/*flex布局*/
display: flex;
justify-content: flex-start;
}
.courses div img {
width: 100%;
height: 90px;
}
.courses div a {
text-decoration: none;
color: gray;
flex: 0.45;
}
.courses div p {
flex: .55;
margin-left: 15px;
}
.courses div p span:first-of-type {
font-size: 0.8rem;
background-color: black;
color: white;
border-radius: 30%;
padding: 0 2px;
}
.courses div p span:last-of-type {
font-size: 0.7rem;
}
.lastupdate {
color: gray;
}
.lastupdate ul {
margin: 0;
padding: 0;
list-style: none;
/*flex布局*/
display: flex;
}
.lastupdate ul li {
padding: 5px;
}
.lastupdate ul img {
width: 100%;
height: 90px;
}
.lastupdate div {
background-color: white;
padding: 10px;
margin-top: 10px;
/*flex布局*/
display: flex;
justify-content: flex-start;
}
.lastupdate div img {
width: 100%;
height: 90px;
}
.lastupdate div a {
text-decoration: none;
color: gray;
flex: 0.45;
}
.lastupdate div p {
flex: .55;
margin-left: 15px;
}
.lastupdate div p font {
font-size: 0.7rem;
margin-top:10px;
}
.lastupdate div p span:first-of-type{
font-size: 0.7rem;
background-color: black;
color: white;
border-radius: 30%;
padding: 0 2px;
margin-top:10px;
}
.lastupdate div p span:last-of-type{
font-size: 0.8rem;
float:right;
margin-right:45px;
}
.lastarticle {
color: gray;
}
.lastarticle ul {
margin: 0;
padding: 0;
list-style: none;
/*flex布局*/
display: flex;
}
.lastarticle ul li {
padding: 5px;
}
.lastarticle ul img {
width: 100%;
height: 90px;
}
.lastarticle div {
background-color: white;
padding: 10px;
margin-top: 10px;
height: 90px;
/*flex布局*/
display: flex;
justify-content: flex-start;
}
.lastarticle div img {
width: 100%;
height: 90px;
}
.lastarticle div a {
text-decoration: none;
color: gray;
flex: .3;
font-weight: 600;
font-size: 0.8rem;
}
.lastarticle div p {
flex: .7;
margin-left: 15px;
}
.lastarticle div p font {
font-size: 0.7rem;
margin-top:10px;
}
.lastarticle div p span:first-of-type{
font-size: 0.7rem;
background-color: black;
color: white;
border-radius: 30%;
padding: 0 2px;
margin-top:10px;
}
.lastarticle div p span:last-of-type{
font-size: 0.8rem;
float:right;
margin-right:45px;
}
.more{
background-color: white;
padding: 10px;
margin-top: 10px;
height: 20px;
/*flex布局*/
margin-bottom:60px;
text-align: center;
}
.more a{
text-decoration: none;
color: gray;
}
/*底部样式*/
.footer {
position: fixed;
bottom: 0;
background-color:#eeeeee;
width: 100%;
height: 42px;
min-width: 320px;
max-width: 768px;
left: 50%;
-webkit-transform: translateX(-50%);
transform: translateX(-50%);
}
.footer ul {
display: flex;
margin: 0;
padding: 0;
list-style-type: none;
text-align: center;
}
.footer ul li img {
width:20px;
height: 20px;
}
.footer ul li a {
color: gray;
text-decoration: none;
}
.footer ul li {
flex: 1;
}点击 "运行实例" 按钮查看在线实例
运行结果
总结： 主要新学了flex布局的使用
display:flex：自适应布局，随屏幕大小缩放
flex:1：让所有弹性盒模型对象的子元素都有相同的长度。
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