body, header, nav, main, footer, img, h1, ul, section, aside, figure, figcaption {
    margin: 0;
    padding: 0;
    border: 0;
}

* {
    box-sizing: border-box;
}

img {
    max-width: 100%;
    display: block;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
}

figure {
    position: relative;
    max-width: 275px;
    width: 100%;
    margin: 2% auto;
    border: 8px solid #000;
    overflow: hidden;
}

figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(170, 170, 170, 0.8);
    color: #ffffff;
    padding: 10px 5px;
    text-align: center;
    font-family: Verdana, Arial, sans-serif;
    font-size: 1.1em;
    font-weight: bold;
    z-index: 10;
}

/* Base Mobile Styles for Nav */
nav {
    background-color: #00f0ff;
}

nav ul {
    list-style-type: none;
    text-align: center;
}

nav li {
    display: block;
    font-size: 2em;
    border-top: 1px solid #e5e9fc;
}

nav li a {
    display: block;
    color: #000;
    text-align: center;
    padding: 0.5em 1em;
    text-decoration: none;
}

@media screen and (min-width: 769px) {

    header {
        padding: 2%;
    }

    nav li {
        display: inline-block;
        border-top: none;
        border-right: 1px solid #e5e9fc;
        font-size: 1.5em;
    }

    nav li:last-child {
        border-right: none;
    }

    nav li a {
        padding: 0.5em 1.5em;
    }
    
    nav li a:hover {
        color: #00f0ff;
        background-color: #e5e9fc;
    }
    
    .grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    figcaption {
        font-size: 0.95em;
    }
    
    aside {
        grid-column: 1 / span 4;
    }
}