first commit

历届学生/吴欣阳/项目开发/上课项目/好看视频/css/clear.css

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+body,ul,li,p,h1,h2,h3,h4,h5,h6 {
+    margin: 0;
+    padding: 0;
+}
+
+li {
+    list-style: none;
+}
+
+a {
+    text-decoration: none;
+}
+
+input {
+    outline: none;
+    border: none;
+    padding: 0;
+}

历届学生/吴欣阳/项目开发/上课项目/好看视频/css/index.css

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+.header {
+
+}
+.header_logo {
+    height: 72px;
+    background-color: #fff;
+}
+.logo {
+    width: 148px;
+    height: 33px;
+    margin-top: 19.5px;
+}
+
+.search {
+    width: 500px;
+    height: 38px;
+    left: 50%;
+    margin-left: -250px;
+    top: 19.5px;
+}
+.search_input {
+    width: 420px;
+    height: 100%;
+    background-color: #f5f5f5;
+    border-radius: 19px 0 0 19px;
+    padding-left: 20px;
+    box-sizing: border-box;
+}
+.search_button {
+    width: 80px;
+    height: 100%;
+    line-height: 38px;
+    text-align: center;
+    background-color: #ff4141;
+    border-radius: 0 19px 19px 0;
+}
+.search_button i,
+.search_button span {
+    color: #fff;
+    font-size: 14px;
+    font-weight: 900;
+}
+
+.action {
+    margin-top: 19.5px;
+}
+.action i {
+    font-size: 24px;
+    color: #b3b3b3;
+    display: inline-block;
+    margin-bottom: 5px;
+}
+.action li {
+    float: left;
+    width: 48px;
+    text-align: center;
+    margin-right: 12px;
+}
+.action li:last-child {
+    margin-right: 0;
+}
+.action li:last-child img {
+    width: 40px;
+    height: 40px;
+}
+.action p {
+    color: #b3b3b3;
+    font-size: 12px;
+}
+
+.header_menu {
+    height: 40px;
+    background: #f7f7f7;
+    box-shadow: 0 10px 20px 0 rgb(0 0 0 / 8%);
+}
+.header_menu li{
+    float: left;
+    width: 75px;
+    text-align: center;
+    line-height: 40px;
+    position: relative;
+}
+.header_menu li a{
+    color: #000;
+}
+.active a {
+    font-weight: 600;
+    color: #ff4141 !important;
+    position: relative;
+}
+.active a::after {
+    content: "";
+    position: absolute;
+    bottom: -8px;
+    background: #ff4141;
+    width: 18px;
+    height: 3px;
+    left: 50%;
+    margin-left: -9px;
+}
+
+.banner {
+    margin-top: 24px;
+}
+.lunbo {
+    width: 471px;
+    height: 266px;
+    border-radius: 6px;
+    margin-right: 16px;
+}
+.info_ul {
+    width: 713px;
+}
+.info_ul .item {
+    float: left;
+    width: 227px;
+    height: 128px;
+    margin-right: 16px;
+    margin-bottom: 10px;
+    border-radius: 5px;
+    overflow: hidden;
+    position: relative;
+}
+.info_ul .item:nth-child(3n) {
+    margin-right: 0 !important;
+}
+.info_ul .item:nth-child(4),
+.info_ul .item:nth-child(5),
+.info_ul .item:nth-child(6) {
+    margin-bottom: 0 !important;
+}
+.info_ul .item img {
+    width: 100%;
+}
+.info_ul .item:hover .info {
+    top: 0 !important;
+}
+
+.info_ul .item:hover .back {
+    display: block !important;
+}
+
+.back {
+    width: 100%;
+    height: 100%;
+    background: rgba(0,0,0,.5);
+    position: absolute;
+    z-index: 2;
+    left: 0;
+    top: 0;
+    display: none;
+    transition: all 0.1s ease;
+}
+.info {
+    width: 100%;
+    height: 100%;
+    position: absolute;
+    z-index: 3;
+    left: 0;
+    top: 92px;
+    color: #fff;
+    padding: 10px;
+    box-sizing: border-box;
+    font-size: 14px;
+    transition: all 0.25s ease;
+}
+.info_top {
+    line-height: 22px;
+}
+
+.info_center {
+    margin-top: 28px;
+    margin-bottom: 5px;
+}
+.info_list {}
+.info_list li{
+    float: left;
+    width: 50%;
+}
+
+.video {
+    margin-top: 24px;
+}
+.video .title {
+    font-size: 28px;
+    font-weight: 500;
+    position: relative;
+    padding-left: 10px;
+    margin-bottom: 18px;
+}
+.video .title::after {
+    content: "";
+    position: absolute;
+    width: 3px;
+    height: 18px;
+    background: #ff4141;
+    border-radius: 1.5px;
+    left: 0;
+    top: 12px;
+}
+.video ul {
+    overflow: hidden;
+}
+.video ul li {
+    width: 227px;
+    border-radius: 5px;
+    margin: 0 16px 16px 0;
+    height: 186px;
+    float: left;
+    position: relative;
+    overflow: hidden;
+}
+.video ul li:last-child {
+    margin-right: 0 !important;
+}
+.video ul li:hover .icon {
+    bottom: -16px !important;
+}
+
+.video ul li:hover img {
+    transform: scale(1.2);
+}
+
+.video ul .top {
+    height: 128px;
+    position: relative;
+    overflow: hidden;
+}
+.top img{
+    width: 100%;
+    height: 100%;
+    transition: all 0.25s ease;
+}
+.top span{
+    position: absolute;
+    right: 6px;
+    bottom: 6px;
+    padding: 2px 4px;
+    background-color: rgba(0,0,0,.8);
+    color: #fff;
+    font-size: 12px;
+    border-radius: 3px;
+}
+.top_title {
+    margin-top: 10px;
+    font-size: 14px;
+    color: rgba(0,0,0,.85);
+}
+.icon {
+    position: absolute;
+    bottom: 6px;
+    background: #fff;
+    width: 100%;
+    transition: all 0.25s ease;
+}
+.icon .icon_item {
+    float: left;
+    color: #666;
+    width: 50%;
+}
+.icon .icon_item i{}
+.icon .icon_item span{
+    font-size: 12px;
+}
+
+.footer {}
+.footer_wrap {
+    margin-top: 46px;
+    height: 188px;
+    background: #f2f2f2;
+}
+.footer_top {
+    width: 1000px;
+    margin: 0 auto;
+    padding-top: 55px;
+}
+.footer_top li{
+    float: left;
+}
+.footer_top li:nth-child(1),
+.footer_top li:nth-child(2),
+.footer_top li:nth-child(3) {
+    margin-right: 108px;
+}
+.footer_top li a {
+    display: block;
+    color: #906668;
+    font-size: 14px;
+    margin-bottom: 24px;
+}
+.footer_top .line{
+    width: 1px;
+    height: 56px;
+    background: #979797;
+    margin-right: 65px;
+}
+.footer_top .code .text{
+    width: 120px;
+}
+.footer_top .code .text p{
+    color: #666;
+    font-size: 14px;
+    margin-bottom: 24px;
+}
+.footer_top .code img{
+    width: 72px;
+    height: 72px;
+}
+.footer_bottom {
+    height: 52px;
+    background-color: #444;
+    color: #999;
+    font-size: 12px;
+    line-height: 52px;
+    text-align: center;
+}

历届学生/吴欣阳/项目开发/上课项目/好看视频/css/public.css

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+.left {
+    float: left;
+}
+
+.right {
+    float: right;
+}
+
+.hidden {
+    overflow: hidden;
+}
+
+.layout {
+    width: 1200px;
+    margin: 0 auto;
+}
+.relative {
+    position: relative;
+}
+.absolute {
+    position: absolute;
+}