*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}
body{
    overflow-x: hidden;
    background-color: #212529;
}
nav{
    width:100vw;
    display:flex;
    justify-content: space-between;
    align-items: center;
    top: 0;
    position: fixed;
    background-color: white;


}

.logo .img{
    width:60px;
    height:45px;
    padding:8px 16px;

    
}
.logo .img img{
    width:100%
}
.left-link{
    display: flex;
    justify-content: start;
}
.left-link a{
    text-decoration: none;
    color:#343a40;
    padding:16px;
    font-size:15px;

}
.left-link a:hover{
    background-color: #04AA6D;
    color: white;
}
.search-box{
    padding:10px 5px;
    position: relative;
}
.search-box input{
    padding: 5px 7px;
    width:100%;
    border-radius:10px;
    border:1px solid #dee2e6;
    outline: none;
   
}
.search-box i{
    position: absolute;
    top:15px;
    right:12px;
    color: #dee2e6;
}
.search-box i:hover{
    background-color: #dee2e6;
    padding:2px;
    border-radius:20px;
    color: #e9ecef;
}
.toggle-btn .icon{
    width:40px;
    height:40px;
    padding:9px;

    
}
.right-link{
    
    display: flex;
    align-items: center;
    gap:2rem;
    font-size:15px;

}
.right-link-one{
    padding:8px 10px;
}
.right-link-one:hover{
    background-color: #e9ecef;
    border-radius:20px;
    color: white;
}
.right-link i{
    color: rgb(164, 85, 238);
}
.right-link a{
    text-decoration: none;
    color:#343a40;
    
}
.login-btn button{
    padding:12px 25px;
    color: #343a40;
    background-color: #D9EEE1;
    border-radius:20px;
    border: none;
    outline: none;
    margin-right:0.5rem;

   
}
.login-btn button:hover{
    cursor: pointer;
    background-color: #04AA6D;
    color: white;
}
/* header end */


/* scroll slider start */
.scroll-nav{
    width:100vw;
    background-color: #212529;
    overflow-x: auto;
    overflow-x: hidden;
    top:50px;
    position: fixed;
   
}
.scroll-nav ul{
    display: flex;
    align-items: center;
}
.scroll-nav ul li{
    list-style: none;
    padding:6px 10px;
}
.scroll-nav ul li a{
    color:#e9ecef;
    text-decoration: none;
    
}
.scroll-nav ul #active{
    background-color: #04AA6D;
}
.scroll-nav ul li:hover{
    background-color: black;
}
#side-menu{
    display: none;
    
}
#side-menu i{
    color:#dee2e6;
}
/* poster start*/

.header-poster{
    width:100vw;
    height:470px;
    text-align: center;
    background-color: #212529;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top:80px;
    
}
.header-poster-data{
    width:700px;
    height:400px;
    padding:3rem;
}
.header-poster-data h1{
    color: white;
    font-size:4rem;
}
.header-poster-data h3{
    color: white;
    font-size:1.3rem;
    color: #FFF4A3;
    margin-top:1rem;
}
.header-poster-data input{
    padding:12px 0px 12px 0px;
    width:60%;
    border-radius:15px 0px 0px 15px;
    outline: none;
    border: none;
}
.header-poster-data button{
    padding:10px 35px;
    font-size:1rem;
    color: white;
    border-radius:0px 15px 15px 0px;
    outline: none;
    border: none;
    background-color: #04AA6D;
    margin:3rem 0 2rem 0;
}
.header-poster-data h4{
    color: white;
    text-decoration: underline;
    font-size:1.3rem;

}
.header-poster-data h4:hover{
    color: #FFF4A3;
    cursor: pointer;
}

/* course start */

.course{
    width:100vw;
    height:500px;
    background-color: #D9EEE1;
    padding:5px 1rem;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
}
.course-box{
    width:35%;
    height:85%;
    padding:1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap:1rem;
    text-align: center;

}
.course-box h1{
    font-size:5rem;
    font-weight:900;
}
.course-box button{
    padding:12px 26px;
    border-radius:15px;
    border: none;
    outline: none;
    width:40%;
    font-weight:700;
}
.course-box-inner{
    width:100%;
    height:100%;
    box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
    background-color: #e7e9eb;
    display: flex;
    flex-direction: column;
    gap:1rem;
    padding:10px;


}
.course-box-inner h2{
text-align: left;
}
.course-box-inner textarea{
    width:100%;
    height:100%;
    border-left:4px solid #04AA6D;
    border-right:none;
    border-bottom: none;
    border-top: none;
}
.course-box-inner button{
    padding:12px 26px;
    border-radius:15px;
    border: none;
    outline: none;
    width:40%;
    font-weight:700;
    background-color: #04AA6D;
    color: white;
}

.bg1{
    background-color: #04AA6D;
    color: white;
    
}
.bg2{
    background-color: #FFF4A3;
    color: black;

}
.bg3{
    background-color: #282a35;
    color: white;
    
}
.bg4{
    background-color: #ffc0c7;
    color: black;
    
}
.course-box button:hover{
    background-color: rgb(209, 203, 203);
    cursor: pointer;
}
/* some course */
.some-course{
    width:100vw;
    height:auto;
    background-color: #212529;
    padding:3rem 1rem;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    gap:1.5rem;
    flex-wrap: wrap;
}
.some-course-box{
    width:45%;
    height:250px;
    padding:3rem;
    border-radius:10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap:1.5rem;

}
.some-course-box h2{
    font-size:3rem;
}
.some-course-box p{
    font-weight:700;
}
.some-course-box button{
    cursor: pointer;
    padding:12px 25px;
    border-radius:15px;
    background-color: #212529;
    outline: none;
    border: none;
    color: white;
}

.some-diff-course{
    width:100vw;
    height:auto;
    padding:3rem 1rem 2rem 1rem;
    display: flex;
    justify-content:space-evenly;
    align-items: center;
    flex-wrap: wrap;
    gap:1rem;
    

}
.some-diff-course-box{
    width:45%;
    height:120px;
    display: flex;
    justify-content:space-evenly;
    align-items: center;
    border-radius:10px;

}
.some-diff-box{
    width:20%;
    height:100px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius:10px;
    
}

.editor{
    width:100vw;
    height:auto;
    display: flex;
    justify-content:center;
    align-items: center;
    gap:2rem;
    padding:4rem 1rem;
    color: white;
    flex-direction: column;
}
.editor h1{
    font-size:4rem;
}
.editor p{
    font-size:1rem;
}
.svg{
    width:60%;
    height:300px;
    box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
}
.svg video{
    width:100%;
    height:100%;
}
.editor button{
    padding:10px 25px;
    background-color: #04AA6D;
    color: white;
    border:none;
    outline: none;
    border-radius:10px;
    cursor: pointer;
}
.learning{
    background-color: #bddde4;
    padding:2rem 1rem 4rem 1rem;
    width:100vw;
    height: auto;
    display: flex;
    justify-content:center;
    align-items: center;
    gap:2rem;
    flex-direction: column;
}
.learning h1{
    font-size:4rem;
}
.learning p{
    font-size:1.2rem;
}
.learning .box{
    width:70%;
    height:250px;
    background-color: white;
    border-radius:15px;
    padding:30px;
    display: flex;
    justify-content:start;
    align-items: start;
    gap:2rem;
    flex-direction: column;
    
    box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;

}

.box h4{
    font-weight:700;
    

}
.box p{
    color: gray;
   
}
.box button{
    padding:10px 25px;
    background-color: #04AA6D;
    color: white;
    border:none;
    outline: none;
    border-radius:10px;
    cursor: pointer;
}
.prouser{
    width:100vw;
    height:auto;
    padding:4rem 1rem;
    display: flex;
    justify-content:center;
    align-items: center;
    gap:2rem;
    flex-direction: column;
    
}


.prouser h1{
    font-weight:700;
    font-size:3rem;
    color: white;
    

}
.prouser h3{
    color: #ffc0c7;
    font-size:1.5rem;
}
.prouser h4{
    color: white;
    line-height:30px;
}
.prouser button{
    padding:10px 50px;
    background-color: #04AA6D;
    color: white;
    border:none;
    outline: none;
    border-radius:10px;
    cursor: pointer;
}
.picker{
    width:100vw;
    height:auto;
    padding:2rem 1rem;
    display: flex;
    justify-content:center;
    align-items: center;
    gap:2rem;
    flex-direction: column;
    background-color: #f8dfe2;
}

.picker h1{
    font-weight:700;
    font-size:3rem;

    

}
.picker p{
    
    font-size:1.5rem;
}
.picker-img{
    width:150px;
    height:120px;
}
.picker-img img{
    width:100%;
    height:100%;
    cursor: pointer;
}
.picker-img img:hover{
    color: rgb(202, 197, 197);
}

.exercise{
    width:100vw;
    height:auto;
    padding:2rem 1rem;
    display: flex;
    justify-content:center;
    align-items: center;
    gap:2rem;
    flex-direction: column;
  
}
.exercise h1{
    color: white;
    font-size:3rem;
}
.exercise p{
    color: white;
    font-size:1rem;
}
.exercise-box{
    width:100%;
    
    height:auto;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
    gap:2rem;
}
.exercise-box-innerbox{
    width:44%;
    height:150px;
    border-radius:10px;
    flex-wrap: wrap;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
   

}
.exercise-box-innerbox h1{
    font-size:1.5rem;
    color: black;
    
}
/* footer */

.footer{
    width:100vw;
    height:350px;
}
.footer img{
    width:100%;
}
.footerdata{
    width:100vw;
    height:auto;
    padding:2rem 5rem;
}
.footerdata ul{
    display: flex;
    justify-content: start;
    gap:2rem;
    padding-left:2.5rem;
    
}
.footerdata ul li{
   
    list-style: none;

}
.footerdata ul li a{
    text-decoration: none;
    color: #d3e690;
}

.other-links{
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    color: white;
    padding:2rem 0 3rem ;
}
.other-links ul li{
    list-style: none;
}
.other-links ul li a{
    color: white;
    text-decoration: none;
    font-size:0.8rem;
}






@media(max-width:1060px){
    .right-link{
        display: none;
    }
   
 
}

@media(max-width:950px){
   
    .right-link #getcertificate{
        display: block;
    }
     /* course end */
     .course{
        height:auto;
    }
     .course-box{
        width:100%;
        
        
    }
    .course-box button{
        padding:12px 26px;
        border-radius:15px;
        border: none;
        outline: none;
        width:40%;
        font-weight:700;
    }
    .course-box-inner{
        width:100%;
        height:100%;
        box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
        background-color: #e7e9eb;
    }
    .course-box-inner textarea{
        width:100%;
        height:70%;
        columns:5;
       
    }
    .some-course-box{
        width:100%;
        height:auto;
        padding:1rem;
        border-radius:10px;
    }
    .some-course{
      
        gap:2rem;
        
    }
    .some-diff-course-box{
        width:100%;
        height:100px;
       
    
    }
    .some-diff-box{
        width:100%;
       
    }
    



.svg{
    width:100%;
   
}
.svg video{
    width:100%;
    height:100%;
}
.editor button{
    padding:13px 25px;
    width:100%;
    font-size:1.3rem;
   
}
.exercise-box-innerbox{
    width:100%;
   
}
.footer{
    width:100vw;
    height:300px;
}
.footerdata ul{
  
    flex-direction: column;
   
    align-items: center;
   
    font-size:1.5rem;
    
}
.other-links{
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    color: white;
    padding:2rem 0 3rem 0;
    gap:1.5rem;
    text-align: center;
}
}

@media(max-width:850px){
  
    .search-box{
        display: none;
    }
 /* header end */
 #side-menu{
    display:block;
    color:#dee2e6;
    
}
/* poster */



}
@media(max-width:650px){
    .left-link #tutorial{
        display: none;
    }
   .left-link #certificate{
    display: none;
   }
 /* header end */
 /* poster */
 .header-poster{
  
    height:auto;
    padding:2rem 1rem;

   
    margin-top:80px;
    
}
.header-poster-data{
  
    height:auto;
  
}
.header-poster-data button{
    padding:11px 25px;
}
.course-box h1{
    font-size:3rem;
    font-weight:900;
}
.course-box-inner{
    display: none;
}
.learning .box{
    width:90%;
    height:auto;
  

}

}