
批改狀態(tài):合格
老師批語:
默認: 項目在網(wǎng)格單元中是拉伸的
只有項目在網(wǎng)絡(luò)單元中存在剩余空間的時候,對齊才有必要且有意義
HTML代碼
<div class="container">
<div class="item">item1</div>
<div class="item">item2</div>
<div class="item">item3</div>
<div class="item">item4</div>
<div class="item">item5</div>
<div class="item">item6</div>
<div class="item">item7</div>
<div class="item">item8</div>
<div class="item">item9</div>
</div>
CSS代碼
.container {
width: 30em;
height: 15em;
background-color: bisque;
padding: 0.5em;
display: grid;
grid-template-columns: repeat(3, 5em);
grid-template-rows: repeat(2, 3em);
grid-auto-rows: 3em;
gap: 0.5em;
}
.container>.item {
background-color: lightgoldenrodyellow;
color: lightblue;
padding: 0.5em;
}
place-content:
在容器中
使用,排列參數(shù): 垂直 水平; 默認值 place-content: start start;
1.1.1.將所有項目做為一個整體在容器排列;
start;
center;
end;
項目在容器中排列: 垂直居中 水平靠左
.container {
place-content: center start;
}
項目在容器中排列: 垂直居中 水平居中
.container {
place-content: center center;
}
項目在容器中排列: 垂直居中 水平靠右
.container {
place-content: center end;
}
1.1.2.將所有項目打散成獨立個體在容器中排列
二端對齊
space-between;
分散對齊space-around;
平均對齊space-evenly;
項目在容器中排列: 二端對齊
.container {
place-content: space-between;
}
項目在容器中排列: 分散對齊
.container {
place-content: space-around;
}
項目在容器中排列: 平均對齊
.container {
place-content: space-evenly;
}
place-items:
在容器中
使用,排列參數(shù): 垂直 水平; 默認值 place-items: start start;
place-items:
所有項目在網(wǎng)格單元中的對齊方式所有項目在單元格中排列: 垂直靠底 水平靠右
.container {
place-items: end end;
}
所有項目在單元格中排列: 垂直居中 水平居中
.container {
place-items: center center;
}
plce-self:
在項目中
使用,排列參數(shù): 垂直 水平; 默認值 place-self: start start;
place-self:
某一個項目在網(wǎng)絡(luò)單元中的對齊方式第五個項目在單元格中排列: 垂直居中 水平居中
.container>.item:nth-last-of-type(5) {
background-color: lightgreen;
color: white;
place-self: end start;
}
html代碼
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css代碼
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
li {
list-style: none;
}
a {
color: #7b7b7b;
text-decoration: none;
}
html {
font-size: 14px;
height: 100vh;
}
@import '../icon-font/iconfont.css';
body {
display: grid;
grid-template-rows: 60px 1fr 175px;
}
/* 頭部菜單css */
header {
background-color: black;
display: grid;
grid-template-columns: 140px 1fr 150px;
place-items: center start;
}
header .logo img {
width: 140px;
height: 60px;
}
header .menu {
height: 52px;
font-size: 1rem;
display: grid;
gap: 5px;
place-content: center;
grid-template-columns: repeat(9, 9rem);
}
header .menu li {
place-self: center;
width: 80px;
height: 52px;
line-height: 52px;
text-align: center;
}
header .menu .icon-arrow-down-filling {
color: #aaa;
}
header .menu .icon-direction-down-circle {
color: #FF5722;
}
header .menu .icon-play {
color: #FF5722;
}
header .menu a {
border-bottom: 5px solid black;
}
header .menu li:hover {
border-bottom: 5px solid #5FB878;
transition: .1s;
}
header .menu a {
color: #aaa;
;
}
header .login {
/* background-color: aqua; */
display: grid;
grid-template-columns: repeat(2, 5rem);
place-items: start end;
grid-template-rows: 3rem;
place-items: center;
}
header .login a {
font-weight: bold;
color: #aaa;
}
/* 主體css */
main {
/* min-height: 82.3vh; */
/* background-color: lightslategray; */
display: grid;
place-content: stretch center;
}
main .top {
width: 1200px;
height: 510px;
display: grid;
margin: 20px 0;
grid-template-columns: 216px 1fr;
box-shadow: 1px 1px 10px #bbbbbb;
border-radius: 10px;
}
/* 主體 > 頭部左側(cè)菜單欄css */
main .top .top-left {
height: 510px;
background-color: #2B333B;
border-radius: 10px 0 0 10px;
padding-top: 15px;
}
main .top .top-left li {
line-height: 50px;
padding: 5px 10px 5px 20px;
color: #999;
display: grid;
grid-template-columns: 1fr 20px;
}
main .top .top-left li:hover {
background-color: #6B7176;
}
main .top .top-left li a {
color: #999;
font-size: 1.2rem;
}
main .top .top-left li a:hover {
color: white;
}
main .top .top-right {
/* border-radius: 0 10px 0 0; */
}
/* 主體 > 頭部 > 頂部菜單欄css */
main .top .top-right .top-nav {
display: grid;
grid-template-columns: repeat(7, 1fr) 3fr;
grid-template-rows: 60px;
gap: 5px;
}
main .top .top-right .top-nav li {
line-height: 60px;
text-align: center;
}
main .top .top-right .top-nav li a {
color: #333;
}
main .top .top-right .top-nav li a:hover {
color: #999;
}
main .top .top-right .top-nav span {
font-size: 0.9rem;
color: white;
padding: 1px 5px;
border-radius: 2px;
}
main .top .top-right .top-nav span.orange {
background-color: orange;
}
main .top .top-right .top-nav span.darkslategray {
background-color: darkslategray;
}
main .top .top-right .top-nav span.orangered {
background-color: orangered;
}
main .top .top-right .top-search {
display: grid;
width: 260px;
grid-template-columns: 4fr 1fr;
place-self: center start;
background-color: #F1F0F0;
border-bottom: 1px solid #fff;
}
main .top .top-right .top-search:hover {
border-bottom: 1px solid #d6d6d6;
transition: .3s;
}
main .top .top-right .top-search input {
border: none;
outline: none;
height: 40px;
padding-left: 10px;
background-color: #F1F0F0;
}
main .top .top-right .top-search span {
padding-right: 10px;
text-align: center;
line-height: 40px;
background-color: #F1F0F0;
color: #b9b9b9;
cursor: pointer;
}
main .top .top-right .top-slider img {
width: 984px;
}
main .top .top-right .top-img {
width: 984px;
display: grid;
grid-template-columns: repeat(4, 1fr);
grid-template-rows: 108px;
place-items: center;
}
main .top .top-right .top-img img {
border-radius: 5px;
}
/* 主體 > 廣告圖 */
main .ad img {
border-radius: 5px;
}
/* 主體 > 第二個框架 */
main .main-two {
width: 1200px;
height: 420px;
display: grid;
gap: 10px;
margin: 20px 0;
grid-template-columns: 300px 620px 260px;
}
main .main-two h2 {
font-size: 1.1rem;
padding: 3px;
margin: 0 5px;
line-height: 30px;
color: #292727;
}
main .main-two .toutao {
box-shadow: 2px 2px 10px #e1e1e1;
border-radius: 10px;
padding: 10px;
display: grid;
}
main .main-two .toutao li {
line-height: 30px;
}
main .main-two .toutao li a {
color: #444;
}
main .main-two .toutao li a:hover {
color: #999;
}
.toutao-title {
border-bottom: 1px solid #f0f0f0;
}
main .main-two .course {
display: grid;
gap: 10px;
grid-template-columns: repeat(3, 170px);
grid-template-rows: auto repeat(2, 150px);
place-content: space-evenly;
box-shadow: 2px 2px 10px #e1e1e1;
border-radius: 10px;
}
.course-title {
grid-area: span 1 / 3 span;
margin-top: -6px;
border-bottom: 1px solid #f0f0f0;
}
main .main-two .course li {
box-shadow: 2px 2px 10px #e1e1e1;
position: relative;
display: grid;
margin-bottom: 10px;
grid-template-rows: 2fr 1fr;
border-radius: 10px;
}
main .main-two .course li a {
width: 170px;
background-color: white;
}
main .main-two .course li a:last-of-type {
height: 50px;
position: absolute;
top: 70px;
border-radius: 10px;
padding: 10px;
}
main .main-two .course li span {
background-color: #93999F;
padding: 1px 3px;
margin-right: 5px;
color: white;
font-size: 0.8rem;
}
main .main-two .course img {
width: 170px;
border-radius: 10px;
}
main .main-two .course img:hover {
opacity: 0.7;
transition: 0.2s;
}
main .main-two .notebook {
display: grid;
gap: 5px;
grid-template-rows: auto repeat(6, 1fr);
box-shadow: 2px 2px 10px #e1e1e1;
border-radius: 10px;
}
main .main-two .notebook-title {
display: grid;
border-bottom: 1px solid #f0f0f0;
grid-template-columns: 1fr 40px;
margin: 10px 10px 0 10px;
place-items: center start;
}
main .main-two .notebook img {
width: 40px;
height: 40px;
grid-area: span 2;
}
main .main-two .notebook li {
display: grid;
padding: 5px;
gap: 5px;
grid-template-columns: 40px 1fr;
grid-template-rows: 20px 20px;
place-items: center start;
}
main .main-two .notebook li a {
color: #333;
}
main .main-two .notebook li a:hover {
color: #999;
}
/* 底部css */
footer {
background-color: #393D49;
display: grid;
place-content: stretch center;
}
footer .footer-main {
width: 1200px;
display: grid;
gap: 5px;
grid-template-columns: 1fr 10rem 10rem;
}
footer .footer-main .footer-content {
display: grid;
grid-template-rows: repeat(3, 1fr);
}
footer .footer-main .footer-content>ul {
display: grid;
place-content: end start;
grid-template-columns: repeat(9, auto);
gap: 10px;
}
footer .footer-main .footer-content>ul a {
color: #eee;
}
footer .footer-main .footer-content>div {
display: grid;
color: #979797;
place-content: start;
grid-template-columns: 7fr 25px repeat(4, 1fr);
}
footer .footer-main .footer-content>p {
font-size: 12px;
place-self: center start;
color: #979797;
}
footer .footer-main .footer-content>div>p {
font-size: 10.5px;
place-self: center start;
}
footer .footer-main .footer-content>div>img {
width: 20px;
}
footer .footer-main .code {
place-self: center;
}
footer .footer-main .code img {
width: 100px;
}
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