@media (prefers-color-scheme: light) {
    #fixed-top {
        position: fixed;
        width: 100%;
        z-index: 1000; /* div on top of everyhing */
        background-color: #fafafa;
    }

    #main-title {
        padding-bottom: 0;
    }

    #tab-content {
        padding-top: 13em;
        padding-bottom: 6em;
        margin-bottom: 0;
    }

    #tabs-menu {
        padding-top: 1em;
        padding-bottom: 0;
        border-bottom: solid 1px #aaaaaa;
    }

    #tabs-ul {
        margin-inline-start: 0;
        border-bottom: none;
    }

    #tabs-ul li.is-active a {
        color:white;
        border-bottom: none;
        background-color:#333333;
    }

    #footer-button {
        position: fixed; 
        z-index: 1000; /* div on top of everyhing */
        right: 0;
        bottom: 0;
        padding: 0;
        text-align: right;
    }

    #btnsTop {
        padding-bottom: 2em;
        padding-right: 2em;
    }

    .schematic-image {
        width:450px;
        margin-left:auto;
        margin-right:auto;
    }

    .photo-section {
        width:600px;
    }

    .settings-figure {
        width:80%;
        margin-left:10%;
        margin-right:10%;
        padding-bottom:1em;
    }
}