秒杀模块
web APIs-练习三
全选反选案例：
全选
商品
商家
价格
小米手机
小米
￥1999
小米净水器
小米
￥4999
小米电视
小米
￥5999
仿新浪固定头部：
Document
我是顶部导航栏
m-bilibili：
index.css：
* {
margin: 0;
padding: 0;
box-sizing: border-box;
-webkit-font-smoothing: antialiased;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
body {
font-family: Helvetica Neue, Tahoma, Arial, PingFangSC-Regular, Hiragino Sans GB, Microsoft Yahei, sans-serif;
}
a {
color: #333;
text-decoration: none;
}
img {
vertical-align: middle;
width: 100%;
height: 100%;
}
ul {
list-style: none;
}
.ellipsis-2 {
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
}
.suspension {
position: fixed;
top: 0;
left: 0;
width: 100%;
z-index: 999;
background-color: #fff;
box-shadow: 0 0.53333vw 2.66667vw rgba(0, 0, 0, 0.2);
}
.suspension .m-navbar {
padding: 0 3.2vw 0 4.8vw;
height: 11.73333333vw;
display: flex;
justify-content: space-between;
align-items: center;
}
.suspension .m-navbar .logo i {
font-size: 7.46666667vw;
color: #fb7299;
}
.suspension .m-navbar .right {
display: flex;
}
.suspension .m-navbar .right .search {
color: #ccc;
}
.suspension .m-navbar .right .search i {
font-size: 5.86666667vw;
}
.suspension .m-navbar .right .face {
overflow: hidden;
width: 6.4vw;
height: 6.4vw;
border-radius: 50%;
margin: 0 5.33333333vw;
}
.suspension .m-navbar .right .app-btn {
width: 19.2vw;
height: 6.4vw;
}
.suspension .channel-menu {
position: relative;
display: flex;
justify-content: space-between;
align-items: center;
height: 10.66666667vw;
border-bottom: 1px solid #e7e7e7;
}
.suspension .channel-menu .tabs {
overflow: hidden;
flex: 1;
}
.suspension .channel-menu .tabs .tabs-list {
display: flex;
}
.suspension .channel-menu .tabs .tabs-list a {
padding: 0 4.26666667vw;
white-space: nowrap;
font-size: 3.73333333vw;
height: 10.66666667vw;
line-height: 10.66666667vw;
}
.suspension .channel-menu .tabs .tabs-list .line {
position: absolute;
left: 4.26666667vw;
bottom: 0;
width: 7.46666667vw;
height: 0.53333333vw;
background-color: #fb7299;
transition: all 0.3s;
}
.suspension .channel-menu .after {
width: 10.66666667vw;
height: 10.4vw;
text-align: center;
line-height: 10.4vw;
background-color: #fff;
color: #ccc;
}
.suspension .channel-menu .after i {
font-size: 5.33333333vw;
}
.m-home {
padding: 22.66666667vw 1.33333333vw 0;
}
.m-home .video-list {
display: flex;
flex-wrap: wrap;
}
.m-home .video-list .video-item {
width: 50%;
padding: 2.13333333vw 1.33333333vw;
}
.m-home .video-list .video-item .card {
position: relative;
height: 25.86666667vw;
}
.m-home .video-list .video-item .card .count {
position: absolute;
left: 0;
bottom: 0;
width: 100%;
height: 7.2vw;
padding: 0 1.33333333vw;
display: flex;
justify-content: space-between;
align-items: center;
font-size: 3.2vw;
color: #fff;
background-image: linear-gradient(transparent, red);
}
.m-home .video-list .video-item .title {
margin-top: 1.33333333vw;
font-size: 3.2vw;
}
.app {
position: fixed;
left: 0;
bottom: 8vw;
width: 100%;
height: 10.13333333vw;
}
.app .btn-app {
margin: 0 5.33333333vw;
height: 10.13333333vw;
background-color: purple;
border-radius: 5.06666667vw;
text-align: center;
line-height: 10.13333333vw;
background-color: #fb7299;
color: #fff;
box-shadow: 0 0.53333vw 2.66667vw rgba(0, 0, 0, 0.2);
}
index.html:
bilibili-干杯~~~
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下电视？
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
播放量
评论数
315晚会能不能曝光下智能电视？N重广告、套娃会员、操作反人类，当代年轻人是怎么被智能电视逼疯的？【商业B面&牛顿】
电梯导航素材:
index.css:
@charset "UTF-8";
/* 页面滑动 */
html {
/* 让滚动条丝滑的滚动 */
scroll-behavior: smooth;
}
/** 分类及焦点图 **/
.xtx_entry {
height: 500px;
background-color: #f2f2f2;
position: relative;
}
.xtx_category {
width: 250px;
background-color: rgba(0, 0, 0, 0.8);
position: absolute;
z-index: 9;
}
.xtx_category:hover .xtx_category_subset {
display: block;
}
.xtx_category_super li {
height: 50px;
padding: 0 20px 0 40px;
transition: background-color 0.25s;
cursor: pointer;
}
.xtx_category_super li:hover,
.xtx_category_super li.active {
background-color: #27BA9B;
}
.xtx_category_super a {
color: #fff;
font-size: 16px;
line-height: 50px;
}
.xtx_category_super a small {
font-size: 14px;
}
.xtx_category_super i {
display: block;
width: 12px;
height: 12px;
margin-top: 20px;
background-position: -75px -110px;
float: right;
}
.xtx_category_subset {
width: 990px;
height: 100%;
background-color: rgba(255, 255, 255, 0.9);
display: none;
position: absolute;
top: 0;
left: 250px;
}
.xtx_banner {
width: 1240px;
height: 500px;
overflow: hidden;
position: relative;
}
.xtx_banner:hover a {
opacity: 1;
}
.xtx_banner>a {
display: block;
width: 44px;
height: 44px;
border-radius: 50%;
margin-top: -22px;
opacity: 0;
transition: opacity 0.5s;
background-color: rgba(0, 0, 0, 0.1);
position: absolute;
top: 50%;
}
.xtx_banner>a.prev {
left: 270px;
background-position: 14px -59px;
}
.xtx_banner>a.next {
right: 20px;
background-position: -24px -59px;
}
.xtx_banner .indicator {
width: 990px;
text-align: center;
font-size: 0;
position: absolute;
left: 250px;
bottom: 22px;
}
.xtx_banner .indicator span {
display: inline-block;
width: 9px;
height: 9px;
margin: 0 8px;
cursor: pointer;
border-radius: 50%;
background-color: rgba(255, 255, 255, 0.43);
}
.xtx_banner .indicator span.active {
background-color: #fff;
}
/** 公共面板 **/
.xtx_panel .xtx_panel_header {
height: 115px;
padding: 40px 0;
}
.xtx_panel .xtx_panel_header h3 {
height: 35px;
line-height: 35px;
margin-left: 6px;
font-size: 32px;
font-weight: 400;
color: #333;
float: left;
}
.xtx_panel .xtx_panel_header small {
margin-left: 22px;
font-size: 16px;
color: #999;
}
.xtx_panel .xtx_panel_header .more {
line-height: 1;
margin-top: 14px;
font-size: 16px;
color: #999;
float: right;
}
.xtx_panel .xtx_panel_header .more i {
display: inline-block;
width: 16px;
height: 16px;
position: relative;
top: 1px;
background-position: 8px -106px;
}
.xtx_panel .xtx_panel_header .tabs-bar {
height: 35px;
padding-top: 13px;
font-size: 16px;
margin-right: 80px;
float: right;
}
.xtx_panel .xtx_panel_header .tabs-bar a {
padding: 2px 8px;
margin-left: 5px;
border-radius: 2px;
}
.xtx_panel .xtx_panel_header .tabs-bar a:hover,
.xtx_panel .xtx_panel_header .tabs-bar a.active {
background-color: #27BA9B;
color: #fff;
}
.xtx_panel .xtx_panel_goods_1 {
text-align: justify;
font-size: 0;
}
.xtx_panel .xtx_panel_goods_1:after {
content: "";
display: inline-block;
width: 306px;
height: 0;
}
.xtx_panel .xtx_panel_goods_1 a {
display: inline-block;
width: 306px;
height: 406px;
text-align: center;
}
.xtx_panel .xtx_panel_goods_1 img {
width: 306px;
height: 306px;
}
.xtx_panel .xtx_panel_goods_2 {
height: 610px;
}
.xtx_panel .xtx_panel_goods_2 li {
width: 240px;
height: 300px;
padding-top: 10px;
margin-left: 10px;
background-color: #fff;
border: 1px solid #fff;
overflow: hidden;
transition: 0.3s;
position: relative;
float: left;
}
.xtx_panel .xtx_panel_goods_2 li:hover {
border-color: #27BA9B;
}
.xtx_panel .xtx_panel_goods_2 li:hover .extra {
bottom: 0;
}
.xtx_panel .xtx_panel_goods_2 li:first-child {
height: 610px;
padding-top: 0;
margin-left: 0;
border: 0;
}
.xtx_panel .xtx_panel_goods_2 li:nth-last-child(-n + 4) {
margin-top: 10px;
}
.xtx_panel .xtx_panel_goods_2 a {
display: block;
}
.xtx_panel .xtx_panel_goods_2 .img-box {
width: 240px;
height: 160px;
padding: 0 33px;
text-align: center;
margin: 0 auto;
display: table-cell;
vertical-align: middle;
}
.xtx_panel .xtx_panel_goods_2 .meta {
height: 130px;
line-height: 1.3;
padding: 10px 22px 0;
font-size: 19px;
position: relative;
}
.xtx_panel .xtx_panel_goods_2 .name {
word-break: break-all;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
}
.xtx_panel .xtx_panel_goods_2 .price {
font-size: 22px;
color: #CF4444;
position: absolute;
bottom: 10px;
}
.xtx_panel .xtx_panel_goods_2 .price small {
font-size: 17px;
}
.xtx_panel .xtx_panel_goods_2 .extra {
width: 100%;
height: 86px;
padding-top: 10px;
transition: bottom 0.3s;
background-color: #27BA9B;
position: absolute;
bottom: -86px;
}
.xtx_panel .xtx_panel_goods_2 .extra span {
display: block;
width: 124px;
line-height: 1;
padding: 9px 0 8px;
margin: 0 auto;
text-align: center;
font-size: 19px;
color: #fff;
}
.xtx_panel .xtx_panel_goods_2 .extra span:last-child {
font-size: 13px;
border-top: 1px solid #fff;
}
.xtx_panel .xtx_panel_goods_2 .label {
position: absolute;
left: 0;
bottom: 266px;
width: 188px;
height: 66px;
text-align: center;
line-height: 66px;
color: #fff;
font-size: 17px;
border-radius: 0 2px 2px 0;
background-color: rgba(0, 0, 0, 0.8);
position: relative;
}
.xtx_panel .xtx_panel_goods_2 .label span:first-child {
display: block;
width: 76px;
background-color: #000;
}
.xtx_panel .xtx_panel_goods_2 .label span:last-child {
width: 112px;
line-height: 1.4;
transform: translate(0, -50%);
position: absolute;
left: 76px;
right: 0;
top: 50%;
}
/** 新鲜好物 **/
.xtx_goods_new .xtx_panel_goods_1 a {
background-color: #f0f9f4;
transition: 0.5s;
position: relative;
top: 0;
}
.xtx_goods_new .xtx_panel_goods_1 a:hover {
box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
top: -3px;
}
.xtx_goods_new .xtx_panel_goods_1 .name {
display: inline-block;
width: 100%;
margin: 12px 0 10px;
font-size: 22px;
}
.xtx_goods_new .xtx_panel_goods_1 .price {
font-size: 23px;
color: #CF4444;
}
.xtx_goods_new .xtx_panel_goods_1 small {
font-size: 16px;
}
/** 人气推荐 **/
.xtx_goods_popular {
padding-bottom: 42px;
}
.xtx_goods_popular .xtx_panel_goods_1 a {
transition: 0.5s;
}
.xtx_goods_popular .xtx_panel_goods_1 a:hover {
box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
transform: translate(0, -3px);
}
.xtx_goods_popular .xtx_panel_goods_1 .title {
display: inline-block;
width: 100%;
line-height: 1;
margin: 20px 0 16px;
font-size: 22px;
}
.xtx_goods_popular .xtx_panel_goods_1 .alt {
font-size: 18px;
color: #999;
}
/** 热门品牌 **/
.xtx_goods_brand {
padding-bottom: 32px;
background-color: #f5f5f5;
}
.xtx_goods_brand .page-bar {
float: right;
}
.xtx_goods_brand .page-bar a {
display: inline-block;
width: 20px;
height: 20px;
line-height: 1;
margin-top: 10px;
background-color: #e2e2e2;
}
.xtx_goods_brand .page-bar a:hover,
.xtx_goods_brand .page-bar a.active {
background-color: #27BA9B;
}
.xtx_goods_brand .page-bar .prev {
margin-right: 5px;
background-position: -32px -106px;
transform: rotate(180deg);
}
.xtx_goods_brand .page-bar .next {
background-position: -32px -106px;
}
.xtx_goods_brand .xtx_goods {
height: 305px;
}
.xtx_goods_brand .xtx_goods li {
float: left;
font-size: 0;
}
.xtx_goods_brand .xtx_goods a {
margin-right: 10px;
}
.xtx_goods_brand .xtx_goods a img {
width: 240px;
height: 305px;
}
.xtx_goods_brand .xtx_goods a:last-child {
margin-right: 0;
}
/** 生鲜 **/
.xtx_goods_category {
padding-bottom: 80px;
}
/** 最新主题 **/
.xtx_goods_topic {
background-color: #f5f5f5;
padding-bottom: 52px;
}
.xtx_goods_topic li {
width: 406px;
margin-left: 11px;
transition: 0.5s;
float: left;
background: white;
}
.xtx_goods_topic li:hover {
box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
transform: translate(0, -3px);
}
.xtx_goods_topic li:first-child {
margin-left: 0;
}
.xtx_goods_topic li a {
display: block;
height: 287px;
position: relative;
}
.xtx_goods_topic .meta {
width: 100%;
height: 100%;
color: #fff;
background-image: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent 50%);
position: absolute;
bottom: 0;
}
.xtx_goods_topic .meta .title {
height: 70px;
padding-left: 16px;
font-size: 22px;
position: absolute;
bottom: 0px;
}
.xtx_goods_topic .meta .title small {
display: block;
font-size: 19px;
color: #999;
}
.xtx_goods_topic .meta .price {
position: absolute;
bottom: 25px;
right: 16px;
display: block;
line-height: 1;
padding: 4px 8px 4px 7px;
color: #CF4444;
font-size: 17px;
background-color: #fff;
border-radius: 2px;
}
.xtx_goods_topic .meta .price small {
font-size: 15px;
}
.xtx_goods_topic .social {
height: 70px;
line-height: 70px;
padding: 0 20px;
font-size: 16px;
}
.xtx_goods_topic .social i {
display: inline-block;
width: 15px;
height: 14px;
margin-right: 5px;
position: relative;
top: 2px;
}
.xtx_goods_topic .social .like,
.xtx_goods_topic .social .liked,
.xtx_goods_topic .social .view {
float: left;
margin-right: 25px;
}
.xtx_goods_topic .social .reply {
float: right;
}
.xtx_goods_topic .social .like i {
background-position: -120px -110px;
}
.xtx_goods_topic .social .liked i {
background-position: -240px -110px;
}
.xtx_goods_topic .social .view i {
background-position: -160px -110px;
}
.xtx_goods_topic .social .reply i {
width: 17px;
height: 16px;
top: 4px;
background-position: -200px -110px;
}
.xtx-wrapper {
background: #f5f5f5;
line-height: 1.4;
}
.xtx-wrapper .container {
width: 1240px;
margin: 0 auto;
}
.xtx-wrapper .container .title {
height: 215px;
line-height: 215px;
font-size: 32px;
text-align: center;
font-weight: normal;
}
.xtx-bg-title {
width: 100%;
height: 180px;
padding-left: 213px;
background: no-repeat center / cover;
}
.xtx-bg-title h4 {
padding-top: 52px;
font-size: 32px;
font-weight: bold;
}
.xtx-bg-title p {
padding-top: 5px;
font-size: 20px;
}
.xtx-large-product {
margin-top: 40px;
display: flex;
justify-content: space-between;
}
.xtx-large-product .item {
width: 610px;
height: 420px;
background: white;
position: relative;
}
.xtx-large-product .item img {
width: 100%;
height: 320px;
display: block;
}
.xtx-large-product .item p {
padding-left: 55px;
}
.xtx-large-product .item p.tit {
padding-top: 22px;
font-size: 16px;
}
.xtx-large-product .item p.desc {
padding-top: 12px;
color: #999;
font-size: 14px;
}
.xtx-large-product .item .price {
position: absolute;
bottom: 37px;
right: 33px;
color: #CF4444;
font-size: 18px;
}
.xtx-large-product .item .tag {
width: 170px;
height: 40px;
border: 1px solid #fff;
border-radius: 4px;
position: absolute;
top: 17px;
left: 15px;
line-height: 40px;
color: #fff;
text-align: center;
font-size: 16px;
}
.xtx-mini-product {
padding-top: 40px;
padding-bottom: 20px;
}
.xtx-mini-product ul li {
width: 232px;
height: 320px;
float: left;
background: white;
margin-right: 20px;
text-align: center;
margin-bottom: 20px;
}
.xtx-mini-product ul li:nth-child(5n) {
margin-right: 0;
}
.xtx-mini-product ul li img {
width: 160px;
height: 160px;
display: block;
margin: 22px auto 0;
}
.xtx-mini-product ul li .tit {
padding-top: 23px;
font-size: 16px;
}
.xtx-mini-product ul li .desc {
padding-top: 12px;
color: #999;
}
.xtx-mini-product ul li .price {
font-size: 18px;
color: #CF4444;
padding-top: 16px;
}
.xtx-simpla-title {
height: 40px;
font-size: 28px;
text-align: center;
}
.xtx-large-brand {
display: flex;
justify-content: space-between;
flex-wrap: wrap;
}
.xtx-large-brand .item {
width: 610px;
height: 480px;
background: white;
margin-bottom: 40px;
}
.xtx-large-brand .item img {
width: 100%;
height: 320px;
display: block;
}
.xtx-large-brand .item .info {
padding: 0 35px;
position: relative;
}
.xtx-large-brand .item .info p.name {
padding-top: 22px;
padding-bottom: 12px;
font-size: 20px;
}
.xtx-large-brand .item .info p.name i {
width: 36px;
height: 18px;
line-height: 18px;
background: #27BA9B;
border-radius: 2px;
color: #fff;
font-size: 14px;
display: inline-block;
text-align: center;
}
.xtx-large-brand .item .info p.desc {
color: #999;
font-size: 14px;
height: 40px;
line-height: 20px;
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
padding-right: 40px;
}
.xtx-large-brand .item .info .price {
position: absolute;
top: 20px;
right: 35px;
color: #CF4444;
font-size: 18px;
}
.xtx-large-brand .item .comment {
padding: 15px 35px 0;
line-height: 40px;
color: #999;
}
.xtx-large-brand .item .comment .line {
width: 100%;
height: 1px;
background: #E4E4E4;
}
.xtx-large-brand .item .comment .red {
color: #CF4444;
}
.xtx-large-brand .item .comment .mr18 {
margin-right: 18px;
}
.xtx-elevator {
position: fixed;
left: 50%;
top: 280px;
z-index: 999;
margin-left: 640px;
opacity: 0;
transition: all .5s;
}
.xtx-elevator .xtx-elevator-list {
width: 60px;
height: 300px;
background: #fff;
float: right;
border: 1px solid #f5f5f5;
position: relative;
}
.xtx-elevator .xtx-elevator-list li {
height: 60px;
padding: 15px;
}
.xtx-elevator .xtx-elevator-list li a {
width: 30px;
height: 30px;
display: block;
}
.xtx-elevator .xtx-elevator-list li a:hover,
.xtx-elevator .xtx-elevator-list li a.active {
color: #27BA9B;
}
.xtx-elevator .xtx-elevator-list li a i {
display: block;
width: 16px;
height: 16px;
position: relative;
left: 4px;
background-position: 8px -106px;
font-size: 20px;
transform: rotate(-90deg);
}index.html:
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