:root{
    --side-nav-width: 15rem;
    --side-nav-bg: #ffffff;
    --body-bg: #fafafa;
    --top-nav-height: 60px;
    --text-color: #1111111;
    --button-padding: 1rem 1.5rem;
}

*{
    box-sizing: border-box;
    transition: all 300ms ease-in-out;
}
body{
    padding: 0;
    margin: 0;
    background-color: var(--body-bg);
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
}

#side-nav{
    position: fixed;
    top: var(--top-nav-height);
    left: 0;
    width: var(--side-nav-width);
    background-color: var(--side-nav-bg);
    height: calc(100vh - var(--top-nav-height));
    padding: 1rem 0;
    z-index: 10000;
}

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

#side-nav nav ul li a{
    padding: .5rem 1rem;
    text-decoration: none;
    color: var(--text-color);
    display: block;
}

@media screen and (max-width: 650px){
    #side-nav {
        left: -100vw;
    }
    #side-nav.open{
        left: 0;
    }
}