:root{
    --blue: #007bff;
    --blue2: #0069d9;
}
.container{
    display: flex;
    flex-direction: row;
}
body{
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: rgb(63, 63, 63);
    font-size: 1rem;
}
nav{
    padding: 1rem 0 1rem;
    color: white;
    background-color: #333; 
    position: sticky;
    top: 0;
    left:0;
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 16rem;
    border: 1px solid white;
    z-index: 5;
}
main{
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;  
    position: relative;
    margin-left: 2rem;
}
.hide{
    display: none!important;
}
.collapse{
    display: none;
}
a{
    color: var(--blue);
    text-decoration: none;
}
a:hover{
    text-decoration:underline;
    color: var(--blue2);
}
.nav-heading{
    font-size: 1.8rem;
    padding: 0 .3rem .5rem 1rem;
}
.nav-link{
    border: 1px solid white;
    display: block;
    border-left: none;
    padding: 1rem;
    font-size: 1.3rem;
    transition: background-color .2s ease-in-out;
}
.nav-link:hover{
    background-color: rgb(41, 41, 41);
    text-decoration: none;
}
.nav-link:last-child{
    border-bottom: none;
}
.sec-heading,.hash{
    font-size: 1.8rem;
    font-weight: 600;
    display: inline;
}
.hash{
    margin-left: .5rem;
    opacity: 0;
}
.sec-heading:hover .hash{
    opacity: .7;
}
.hash:hover{
    opacity: 1;
}
.doc-text{
    color:rgb(200, 200, 200)
}
.code-eg{
    color: rgb(194, 194, 41)
}
@media(max-width: 700px){
    .container{
        flex-direction: column;
    }
    nav{
        width: 100%;
        height: auto;
        left: 0;
        padding: 0;
    }
    .nav-link{
        border: 1px solid white;
    }
    main{
        margin: 1rem auto;
        padding-top: 5rem;
    }
    .mh-cont{
        display: flex;
        justify-content:space-between;
        align-items: center;
    }
    .collapse{
        display: inline;
        background-color: var(--blue);
        color: white;
        font-size: 1.5rem;
        transform: rotate(90deg);
        outline: none;
        border: none;
        margin-right: .5rem;
    }
    .main-section{
        padding: 4rem 1rem;
    }
}