style.scss

$whiteColor:#f9f9f9;
body{
    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
}
svg{
    cursor: pointer;
    margin: 15px;
}
.top-nav{
    height: 50px;
    background-color: #1e90ff;
    position: fixed;
    left: 0;
    width: 100%;
    margin: 0px 5px;
    z-index: 1;

    h2{
       margin: auto; 
    }
}
.side-nav{
    height: 100%;
    position: fixed;
    width: 0px;
    top:58px;
    left: 0;
    bottom: 0;
    margin: 0px 5px;
    background-color: #d3d3d3;
    transition: 1s;
    ul{
        padding: 0;
        list-style: none;
        margin: 0;
        li 
        {
        background-color:grey;
        cursor: pointer;
        border-radius: 2px;
        margin: 2px;
           padding: 5px 0px;
           text-align: center;
           &:hover{
               background-color: #008080;
           }
            a{
                text-decoration: none;
                color:$whiteColor;
            }
        }
    }
}
#body-content{
    position: absolute;
    top:58px;
    transition: margin-left 1s;
}