html{
    font-size: 8px;

    }
body{
    font-size: 2.2rem;
    font-family: Inter;
    color: #000;
    margin: 0px;
   
}

h1{
    font-size: 4.2rem;
    line-height: 1.5em ;
    font-weight: bold;
}

h2{
    font-size: 3.8rem ;
    line-height: 1.8em;
    font-weight: bold;
}
h3{
    font-size: 3.5rem ;
    line-height: 1.5em;
    font-weight: bold;
}
h4{
    font-size: 3rem ;
    line-height: 1.5em;
    font-weight: bold;
}
p, li{
    font-size: 2.6rem;
    line-height: 4rem;
}


.img-center{
  display: block;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  max-width: 100%;
  height: auto;
}

.container{
            display: flex;
            flex-direction: column;
            min-height: 100vh;
         
       }

.page-header{
    display:flex;
    flex-direction: row;
    justify-content:flex-start;
    align-items: center;
    background: white;
    padding-left: 16px;
    flex-basis: 100%;
      }
.page-header a{
           
    color: #0056D2;
    font-size: 3rem;
    font-weight: bold;
    text-decoration: none;
    padding: 2rem
}

.breadcrumb li{

        display: inline;
        padding: 0.8rem;
        font-size: 2rem;

}


.topnav{
    background-color: #333;
    overflow: hidden;
    padding: 0px;
                     
    }

/* Style the links inside the navigation bar */
    .topnav a {
        float: left;
        display: block;
        color: white;
        text-align: center;
        padding: 14px 16px;
        text-decoration: none;
        font-size: 2.2rem;
    }
/* Change the color of links on hover */
    .topnav a:hover {
        background-color: black;
        color: orangered;
    }

  /* Add an active class to highlight the current page */
    .topnav a.active {
        background-color: orangered;
        color: white;
     }

.main{
    display: flex;
    flex-direction: row;
    flex-basis: 100%;
    flex-grow: 1;
    
}

.sidebar-left{
    background:lightgrey;
    padding: 20px 0px 0px 0px;
    flex-basis: 20%;
    flex-direction: column;
}
 
.lesson-content, .wo-leftsb-content{
    padding: 16px 32px 32px 32px;
    text-align: left;
    background: white;
    font-size: 24px;
    flex-basis: 60%;
}

.wo-leftsb-content{
    flex-basis: 80%;
}

.home-content{

    margin-right: 3vw;
    margin-left: 3vw;


}
 .courses-buttons{

    margin-right: 2vw;
    margin-left: 2vw;
}
    .home-title{
        font-size: 6rem;
        font-weight: bold;
        text-align: center;
        margin-bottom: 3rem;
    }
    .home-title1{
        font-size: 6rem;
        font-weight: bold;
        text-align: left;
        margin-bottom: 3rem;
    }

    .home-heading{
        font-size: 4rem;
        font-weight: bold;
        text-align: left;
        line-height: 4.5rem;
        margin-bottom: 3rem;
    }

    .home-text{
        font-size: 2rem;
       
        text-align: left;
        line-height: 3rem;
        margin-bottom: 3rem;
    }

    .home-tagline{
        font-size: 3rem;
        text-align: center;
    }

    .home-button {
        border: none;
        color: white;
        padding: 15px 32px;
        text-align: center;
        text-decoration: none;
        display: inline-block;
        font-size: 2rem;
        margin: 4px 2px;
        cursor: pointer;
        background-color: #0056D2;
      }

      .course-link{
          display: block;
          background-color: #0056D2;
          color: white;
          text-align: center;
          margin: 4rem 0 4rem 0 ;

          border: 1px solid #ccc;
          box-shadow: 2px 2px 6px 0px  rgba(0,0,0,0.3);
            background-color: white;
            border-radius: 5px;
      }

      .course-link h2{
        padding: 1rem;
        text-align: center;
        font-size: 3rem;
        font-weight: bold;
        color:#333;

      }
      .course-link a{
         
            text-decoration: none;

      }

      .course-button{
        border: none;
        color: white;
        padding: 15px 32px;
        text-align: center;
     
        text-decoration: none;
        display: block;
        font-size: 3rem;
        margin: 4rem auto;
        cursor: pointer;
        width: 75%;
        background-color: #0056D2;


      }


.sidebar-right{
    background: ghostwhite;
    padding: 16px 8px 16px 8px;
    flex-basis: 20%;
    
}

.sidebar-left-title{
    font-size: 2.5rem;
    padding: 0.5rem;
    padding-left:2rem ;

}
.sidebar-left-list{
    list-style: none;
    list-style-type:none;
    padding: 0;
}

.sidebar-left-list li{ 
    
    font-size: 2rem;
    line-height: 2.2rem;
}

.sidebar-left-list a {
    
    display: block;
    color: black;
    text-align: left;
    text-decoration: none;
    
    padding: 0.5rem;
    padding-left:2rem ;
  }
/* Change the color of links on hover */
.sidebar-left-list a:hover {
background-color: black;
color: orangered;
}


.curriculum-list {
    list-style: none;
    list-style-type:none;
} 
.curriculum-list a {
    display: block;
    color: black;
    padding: 5px 16px;
    font-size: 2.2rem;
  }
/* Change the color of links on hover */
.curriculum-list a:hover {
color: orangered;
}

      .page-footer{
        display:flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        justify-items: center;
        background: #333;
        color: white;
        padding-left: 16px;
        flex-basis: 100%;
        font-size: 1rem;
      }
     
      .card-block{
          display: flex;
          flex-direction: row;
          flex-wrap: wrap;
          flex-basis: 100%;
      }

      .card-box{
        display:flex;
        flex-direction: column;
        flex-basis: 30%;
        border : 1px solid black;
        background-color:white;
        justify-content: center;
        text-align: center;
        margin: 10px;
      }

      .card-box a{
        display: block;
        color: white;
        background-color: #333;
        text-align: center;
        text-decoration: none;
        font-size: 2rem;
       
      }
      .card-box a:hover {
        color: orangered;
        background-color: black;
        }
      
    .operators-table{
        border-collapse: collapse;
        border: 1px solid black;
        font-size: 2rem;
        text-align: left;
        vertical-align: middle;

    }
    
    .operators-table td, .operators-table th {
        padding: 1rem;
      }

      .operators-table thead th {
        width: 33%;
      }
      .operators-table thead{
        background-color: #333;
        color: white;
    }

    .operators-table tbody tr:nth-child(odd) {
        background-color: #fff;
      }
      
      .operators-table tbody tr:nth-child(even) {
        background-color: #eee;
      }

     /* Medium screens */

     .article-list-post-title{
        color: #333;

     }

     .article-list-post-title a{

        text-decoration: none;
     }

     ul.pagination {
        list-style: none;
        display: flex;
    }
    
    li {
        padding: 5px;
    }

/* Small screens */
@media all and (max-width: 600px) {

    .main{
        flex-direction: column;
        background-color: red;
        height: 60vh;
    }
    .card-block{
        flex-direction: column;
    }
    .card-box{
        flex-basis: 100%;
    }

   .sidebar-left{
         display: none;
  }
  

     
}