#background {
    background-color: var(--background-color);
    display: flex;
    flex-direction: column;
}

#nav-container {
    position:sticky;
    top:0;
    z-index:1000;
}

#nav-container::before {
    display:block;
    z-index:-100;
    content: "";
    position: absolute;
    top: 75px;
    left: 0;
    width: calc(10% - 8px);
    height: 100px;
    background-color: transparent;
    z-index: 1;
    box-shadow: -7px 17px 7px -10px rgb(53, 53, 53) inset;
}

#nav-container::after {
    display:block;
    content: "";
    position: absolute;
    top: 75px;
    right: 0;
    width: calc(10% - 8px);
    height: 100px;
    background-color: transparent;
    z-index: 1;
    box-shadow: 7px 17px 7px -10px rgb(53, 53, 53) inset;
}


html,
body {
    height: 100%;
    max-width: 100%;
    margin: 0;
    overflow-x: hidden;
    background-color: var(--secondary-background-color);
}

#main {
    display: flex;
    flex-direction: row;
    margin-top: 75px;
    min-height: calc(100vh - 120px);
}


#sideleft {
    flex: 10%;
    background-color: var(--a-color);
    background-image: url("/static/axiom/img/purple_math_background_big_zacht.jpg");
    background-size: 750px;
    background-repeat: repeat;
    background-position: var(--random-x) var(--random-y);
    box-shadow: -7px -7px 7px 0px rgb(53, 53, 53) inset;

}

#sideright {
    flex: 10%;
    background-color: var(--a-color);
    background-image: url("/static/axiom/img/purple_math_background_big_zacht.jpg");
    background-size: 750px;
    background-repeat: repeat;
    background-position: var(--random-x) var(--random-y);
    box-shadow: 7px -7px 7px 0px rgb(53, 53, 53) inset;

}

@media only screen and (max-width: 600px) {
    #sideright, #sideleft {
        display:none;
    }

    #main {
        display: block;
    }

    #nav-container::before, #nav-container::after {
        display:none;
        box-shadow: 0px;
    }
}

#content {
    flex: 80%;
    padding: 2.5rem;
    margin:auto;
    background-color: var(--background-color);
    margin:0;
    /* z-index: 2;  this may not have a z-index or photo detail view breaks*/ 
}