-app.css

    body {
        background-image: url("./img/vfx-story.jpg");
 
        background-size: contain;
        background-repeat: no-repeat;
        background-color: linear-gradient(#242424, rgb(191, 191, 191));
       }
    
    #wrapper {
        min-width: 1200px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
       
    }
  
    header {
        margin-top: 5px;
        position: sticky;
        top: 1px;
        z-index: 999;
    }
    
    .header-menu {
        max-width: 1200px;
        margin: 0 auto;
        border: 1px solid #fff;
       
        background-color: #606060;
        opacity: .95;
    }
    
    header>nav.header-menu {
        display: flex;
        justify-items: center;
        justify-content: space-between;
    }
    
    header>nav.header-menu .logo a img {
        width: 200px;
        height: auto;
        padding: 5px 5px;
        margin-top: 0px;
        transition: width 1.5s;
    }
    
    header>nav.header-menu .logo a img:hover{
        width: 250px;
    }
   
  
    .main-menu {
        display: flex;
        list-style: none;
        margin: 0px;
        padding: 0;
      
        transition: margin 1.5s;
    }
    
    .main-menu li a {
        color: #ffe437;
        padding: 18px 20px;
        display: block;
        text-decoration: none;
        text-transform: uppercase;
    }
    /* Làm viền dưới mỗi khi hover vào link */
    
    .main-menu>li>a {
        position: relative;
    }
    /* Để sử dụng :before hay :after thì đơn giản các bạn chỉ cần dùng theo cú pháp element:before hoặc element:after. Như .home:before{} chẳng hạn. Và để before hay after hoạt động thì bắt buộc phải có thuộc tính content nha.
    p:after {
        content: " Tuan";
        }
        p:before {
        content: "Xin chao ";
        }
    */
    
    .main-menu>li>a:hover {
        text-shadow: 0 2px 12px #000;
    }
    
    .main-menu>li>a::before {
        content: "";
        height: 2px;
        width: 0px;
        background: #e7c908;
        position: absolute;
        bottom: 0;
        left: 0;
        transition: width 1.5s;
        /* transition: 2.5s; */
        /* transform: rotate(10deg);
        transform: rotate(-10deg);
        transform: scale(1, 2);
        transform: skewX(20deg);
        transform: skew(20deg, 10deg);
        transform: matrix(1, -0.3, 0, 1, 0, 0);
        transform: matrix(1, 0, 0.5, 1, 50, 0); */
    }
    
    .main-menu>li:hover>a::before {
        display: block;
        width: 100%;
    }
    /* Làm phần Banner */
    
    .banner {
        content: "Banner";
        padding-top: 2px;
        max-width: 1200px;
        height: 500px;
        opacity: .1;
        margin: 0 auto;
    }
    
    .banner:hover {
        opacity: .9;
    }
    /* Phần nội dung chính */
    
    main {
        margin: 0 auto;
        max-width: 1100px;
     
        display: flex;
        flex-direction: row;
        /*Mặc định là row*/
        flex-wrap: nowrap;
        /* Không chuyển xuống hàng tiếp theo; */
        justify-content: flex-start;
        /*Đạng như float left right*/
        /* align-items: center; dùng căn chỉnh trên dưới như top bottom*/
        justify-items: center;
        background-color: #606060;
        padding: 10px 10px;
        flex-basis: 100%;
    }
    
    .sidebar-left {
        flex-basis: 350px;
        flex-grow: 1;
        order: 1;
        background-color: #a9a9a9;
    }
    
    .content-main {
        background-color: #d8d8d8;
        flex-grow: 4;
        order: 2;
        padding: 5px 8px;
        display: flex;
        flex-direction: column;
    }
    
    .content-main .item:nth-child(2) {
        background: #ebe7e7;
        order: 1;
    }
    
    .content-main .item:nth-child(3) {
        background: #b9bab9;
        order: 2;
    }
    
    .content-main .item:nth-child(4) {
        background: #988dd5;
        order: 3;
    }
    
    .content-main .item:nth-child(5) {
        background: #b860be;
        order: 4;
    }
    
    .content-main .item:nth-child(6) {
        background: #9a8389;
        order: 5;
    }
    
    .content-main .item:nth-child(7) {
        background: #cac5c5;
        order: 6;
    }
    p{
        padding: 5px;
    }
    .item h2{
        padding: 0 5px;
    }
    .sidebar-left{
        padding: 0 5px;
    }

    /* Thông tin liên hệ wiget */
    .app_container {
        width: 249px;
        height: 205px;
        background: #212020;
        border-radius: 10px;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        position: sticky;
        margin: 0 auto;
        top: 65px;
        z-index: 9;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        -ms-flex-pack: distribute;
        justify-content: space-around;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
    }
    .app_viewLine{
        width: 90%;
        height: 1px;
        background: #414561;
        opacity: 0.5;
    }
    .app_viewDesc{
        padding: 0 1px;
    }
    .app_desc{
        font-family: "Open Sans";
        font-style: normal;
        font-weight: normal;
        font-size: 10px;
        line-height: 16px;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        text-align: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        color: #999999;
      padding: 0px 5px 0px 5px;
    }
    .app_viewLogo .app_imgLogo{
      width:145px;
    }
    .app_viewLogoStore{
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-pack: justify;
        -ms-flex-pack: justify;
        justify-content: space-between;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
    }
    .app_viewLogoStore > div {
        cursor: pointer;
        padding: 0 6px;
    }
    
    .app_viewLogoApStore{
        cursor: pointer;
    }

    header .nav-toggle{
        position: absolute;
        top: 1.2rem;
        right: 1rem;
        display: none;
    }
    header .nav-toggle img{
        width: 50px;
    }
    .main-menu .sub-menu{
        width: 200px;
        background-color: #818181;
        position: absolute;
    }
    .main-menu .sub-menu li{
        list-style: none;
        border-bottom: 1px solid #fffef5;
    }
    .main-menu .sub-menu li a{
        text-decoration: none;
    }
    .main-menu>li.item-has-children>a::after{
        content: " ▼";
        height: 20px;
      
    }
    .main-menu>li.item-has-children .sub-menu{
        display: none;
    }
    .main-menu>li.item-has-children:hover .sub-menu{
        display: block;
    }

    .paging {
        border: 1px solid #DEE2E6;
        border-radius: 10px;
        background-color: #F8F9FA;
        width: 350px;
        padding-left: 0;
        display: flex;
        justify-content: space-between;
    
    }
    .paging li {
        display: inline-block;
        border-right: 2px solid #DEE2E6;
        width: 20%;
        text-align: center;
    }
    .paging li:hover {
        background-color: #4797e6;
       
        
    }
    .paging li:last-child {
        border-right: 0 solid #265583;
        border-radius: 0 10px 10px 0;
    }
    .paging li:first-child{
        border-right: 0 solid #265583;
        border-radius: 10px 0 0 10px;
    }
    .paging li a {
        color: #4F87D8;
        text-decoration: none;
        padding: 0 10px;
        
        
    }
    /* .main-menu .sub-menu li a::before{
        content: "💕";
        height: 20px;
      
    } */
    /* .main-menu>li.item-has-children>a::after{
        content: "❤";
        height: 120px;
        position: absolute;
    }
    .sub-menu li.item-has-children>a::after{
        content: "✔";
        height: 120px;
        position: absolute;
    } */
    /* .sub-menu{
        background-color: #bd3131;
        width: 200px;
    }
    .main-menu li:has(ul.sub-menu){
      
        background-color: red;
        
      
    }
    .main-menu li:hover>.sub-menu{
        display: block;
    } */
    @media screen  and (max-width:720px) {
        #wrapper{
            min-width: auto;
        }
        header {
            margin-top: -4px;
            margin-left: -8px;
            position: relative;
        }
        header .container{
            flex-direction: column;
            align-items: flex-start;
        }
        header .nav-toggle img {
            width: 53px;
            border: 2px solid #f7cd00;
            border-radius: 5px;
            padding: 6px;
        }
        header>nav.header-menu .logo a img {
            position: relative;
            top: 23px;
            left: 20px;
        }
        header .main-menu{
            width: 100%;
            height: 0;
            overflow: hidden;
            padding-left: 3%;
            
        }
        header .nav-toggle{
            display: block;
            z-index: 1000;
        }
        header>nav.header-menu, .main-menu{
            flex-direction: column;
            min-height: 39px;
        }
        header .main-menu li{
           line-height: 3rem;
        }
        header .main-menu li a{
            font-size: 1.5rem;
        }
        .open-nav{
            height: 200vh!important;
        }
        .hidden-nav{
            display: none;
        }
        main{
    
            flex-direction: column;
            min-width: auto;
        }
        .sidebar-left{
            display: none;
            order: 2;
        }
        .content-main{
            order: 1;
        }
        .banner{
            display: none;
        }
        body{
            background-image: linear-gradient(#242424, rgb(191, 191, 191));
        }
    }