main {
    /*width: 100%; Uncomment to push the content instead of squashing it*/
}

body.smooth main {
    transition: .5s ease-in-out;
}

nav-side {
    background: #012758;
    bottom: 0;
    box-shadow: 0 0 5px #666;
    height: 100vh;
    height: -webkit-calc(100vh - 120px);
    height: -moz-calc(100vh - 120px);
    height: calc(100vh - 120px);
    left: -18.5rem;
    position: fixed;
    top: 80px;
    width: 18rem;
    user-select: none;
    overflow-y: auto;
    z-index: 100;
}

body.smooth nav-side {
    transition: all .5s ease-in-out, height 0s;
}
/* ===== Scrollbar CSS ===== */
/* Firefox */
nav-side {
    scrollbar-width: none;
    scrollbar-color: #3399cc #3366aa;
}

    /* Chrome, Edge, and Safari */
    nav-side::-webkit-scrollbar {
        width: 10px;
    }

    nav-side::-webkit-scrollbar-track {
        background: #3366aa;
    }

    nav-side::-webkit-scrollbar-thumb {
        background-color: #3399cc;
        border-radius: 10px;
        border: 0px solid #ffffff;
    }
    /* ===== Scrollbar CSS ===== */

    nav-side a,
    nav-side span.linkless {
        color: #eee;
        display: block;
        padding: 12px 16px;
        text-decoration: none;
        -webkit-user-drag: none;
    }

body.smooth nav-side a {
    transition: .5s ease-in-out;
}


nav-side a:hover {
    background-color: #36a;
    color: white;
    text-decoration: none;
}

nav-side a.active {
    background-color: #36a;
    color: white;
    text-decoration: none;
}

nav-side ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav-side li {
    display: inline-block;
    position: relative;
    width: 100%;
}

nav-side ul ul {
    display: none;
    top: 100%;
    left: 0;
    width: 100%;
}

    nav-side ul ul li > a,
    nav-side ul ul li > span.linkless {
        margin-left: 10px
    }

    nav-side ul ul ul li > a {
        margin-left: 20px
    }

nav-side ul li > ul,
nav-side ul li.nav-side-item-active > ul {
    display: inherit;
}

nav-side li.nav-side-item-active > a {
    border-left: 10px solid #fdb515;
}


#nav-side-collapse {
    padding: 8px 12px;
    position: absolute;
    right: 0;
    top: 0;
}

#nav-side-expand {
    background-color: #333;
    color: #eee;
    display: block;
    left: 275px;
    top: 100px;
    padding: 8px 12px;
    position: absolute;
    text-decoration: none;
    -webkit-user-drag: none;
}

body.smooth #nav-side-expand {
    transition: .5s ease-in-out user-select: none;
}

#nav-side-check {
    display: none;
}

label #nav-side-btn {
    z-index: 10;
    position: fixed;
    cursor: pointer;
    border-radius: 0px 5px 5px 0px;
    margin: 30px 15px 30px 0px;
    font-size: 25px;
    background-color: #0CA9F2;
    box-shadow: inset -7px -7px 10px 0px rgba(0,0,0,.1), 3.5px 3.5px 20px 0px rgba(0,0,0,.1), 2px 2px 5px 0px rgba(0,0,0,.1);
    height: 30px;
    width: 30px;
    text-shadow: 2px 2px 3px rgba(255,255,255,0.5);
    line-height: 23px;
    border-radius: 15px;
    color: white;
    top: 115px;
    left: 10px;
    z-index: 101;
}

body.smooth label #nav-side-btn {
    transition: .5s ease-in-out;
}

label #nav-side-btn img {
    left: 7px;
    position: relative;
}

label[for=nav-side-check],
#nav-side-check {
    float: left;
}

    #nav-side-check:checked ~ nav-side {
        left: 0;
    }

    #nav-side-check ~ main {
        margin-left: 0rem;
    }

    #nav-side-check:checked ~ main {
        margin-left: 288px;
    }

    #nav-side-check:not(:checked) ~ label #nav-side-btn {
        margin-left: 0px;
        transform: rotate(-180deg);
        -webkit-transform: rotate(-180deg);
    }


body.smooth #nav-side-check ~ main {
    transition: .5s ease-in-out;
}


body.smooth #nav-side-check:checked ~ main {
    transition: .5s ease-in-out;
}

#nav-side-check:checked ~ label #nav-side-btn {
    margin-left: 16.5rem;
}