*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

html{
    scroll-behavior: smooth;
    transition: .2s;
}
body{
    background-color: #f8f3ec;
}

.container{
    width: 100%;
    height: 100vh;
}

.headr{
    width: 100%;
    height: 13%;
    background: #262e7a;
    display: flex;    
    margin-top: 15px;
    border-bottom: 2px solid #3d0af7;
    box-shadow: 0 1px 10px 5px #837f7f;
}
.headr_title{
    display: flex;
    align-items: center;
    justify-content: end;
    margin-left: 15px;
}

.headr_title h1{
    color: #f5f1f2;
}
.headr_title img{
    width: 70px;
    margin: 40px;
    box-shadow: 5px 5px 10px 0px;
    border-radius: 50%;
    border: 1px solid white;
    cursor: pointer;
}

section{
    width: 100%;
    height: 75%;
}
.card_items{
width: 100%;
display: flex;
flex-wrap: wrap;
align-items: center;
justify-content: center;
margin-top: 150px;
}

a{
    text-decoration: none;
    color: #1a1919;
}
 span{
    color: #e4b10b;
 }
.box {
    width: 200px;
    height: 350px;
    background-color: aliceblue;
    margin-left: 15px;
    border-radius: 5px 5px 0 0;
    transition: all .5s;
    box-shadow: #3f3f3e 10px 10px 15px -10px, #393938 -10px -10px 15px -15px;
}
.box:hover {
    transform: rotate(-2deg) scale(1.1);
    cursor: pointer;
}

.box img {
    width: 100%;
    height: 55%;
    object-fit: cover;
    padding: 5px;
}

.box p{
    padding: 10px;
}
.box h1{
    padding: 10px;
    font-size: 20px;
}

footer{
    width: 100%;
    height: 10%;
    background-color: #262e7a;
    text-align: center;
    color: #f5f1f2;
    line-height: 90px;
}

/* Sinflar bo'yicha style */

.section_m{
    display: flex;
    position: relative;
    align-items: center;
    justify-content: center;
}
.tabheader__items{
    width: 30%;
    height: 97%;
    background: rgb(132, 184, 252) ;
    margin-top: 10px;
    border: 1px solid #7c7777;
    padding: 15px;
    border-radius: 5px; 
    font-size: 20px;
    line-height: 35px; 
    overflow: scroll; 
    transition: .5s;    
}

.tabheader__item_active{
    font-weight: bold;
    font-size: 22px;
    cursor: pointer;
}


.tabcontent{
    width: 65%;
    height: 97%;
    margin-top: 10px;
    border: 1px solid #c7c4c4;
    padding: 10px;
    border-radius: 5px;
    margin-left: 25px;
}

.tabcontent iframe{
    width: 100%;
    height: 650px;
    text-align: center;
}

.show{
    display: block;
    
}

.none{
    display: none;
   
}

.fade{
    animation: fade 1.5s;
}

.cursor{
    cursor: pointer;
    transition: .5s;
}

.cursor:hover{
    background-color: #6c75f7;
    cursor: pointer;    
    border-radius: 2px;
    padding: 2px;
    color: #201f1f;    
    
}

@keyframes fade{
    0%{opacity: 0.1;}
    100%{opacity: 1;}
}

/* MENU */

.menu{
    width: 45%;
    margin-left: 30px;
}
.menu a{
    font-size: 20px;
    color: white;
    padding: 10px;
    line-height: 120px;
    transition: .3s;
}

.menu a:hover{
    background-color: #3c48f0;
    padding: 15px;
    border-radius: 5px;
}