* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/*----- Header Section -----*/

/*Font - not needed to match*/
header {
    background-color: dodgerblue;
    color: white;
    font-family: Inter, serif;
    text-align: center;
    padding: 2px;
}
header h1 {
    padding: 10px;
}
nav {
    padding: 5px;
}
nav h2 {
    cursor: pointer;
    padding: 5px;
}
.hide {
    display: none;
}

nav ul li {
    margin: 13px 0 13px 0;
}

nav ul li a {
    color: white;
}

/*----- Main Section -----*/

main {
    background-color: lightgray;
    padding: 5px;
}
main h2 {
    text-align: center;
    font-family: Inter, serif;
    padding: 10px;
}

#images {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
#images img {
    border: 6px solid white;
    box-shadow: 10px 10px 5px gray;
    width: 300px;
    margin: 10px;
    object-fit: cover;
    cursor: pointer;
}

dialog img {
    width: 90%;
    display: block;
    margin: 20vh auto;
}
dialog {
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.75);
}
.close-viewer {
    cursor: pointer;
    position: absolute;
    top: 10vh;
    right: 2vh;
    padding: 3px 6px;
    font-size: 1.5em;
}

/*----- Footer Section -----*/

footer {
    background-color: dodgerblue;
    padding: 3px;
    align-content: center;
}
footer p {
    color: white;
    font-family: Inter, serif;
    text-align: center;
}

@media screen and (min-width: 700px) {
    #images {
        display: grid;
        grid-template-columns: 1fr 1fr;
        justify-content: center;
    }
}

@media screen and (min-width: 1000px) {
    nav {
        margin: 0 auto;
    }
    
    nav h2 {
        display: none;
    }

    nav ul {
        display: flex;
        flex-flow: row nowrap;
        justify-content: center;
        gap: 40px;
        padding: 0;
    }

    nav ul li {
        list-style-type: none;
    }

    nav ul li a {
        color: white;
    }

    #images {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
    }
}