@charset "utf-8";

body {
    font-family: Verdana, Geneva, sans-serif;
    color: rgb(91, 91, 91);
    background-color: ivory;
    margin: 0;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}

header {
    text-align: center;
    padding: 0;
}

header img {
    width: 100%;
    display: block;
}

h1, h2 {
    text-shadow: 4px 6px 5px gray;
}

h2 {
    font-size: 1.3em;
}

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

nav a {
    display: block;
    background-color: rgb(180, 180, 180);
    line-height: 2.8em;
    text-decoration: none;
    text-align: center;
    color: rgb(50, 50, 50);
    font-weight: bold;

    transition:
        background-color 0.5s ease-in 0.2s,
        color 0.5s ease-in 0.2s,
        font-size 1s ease;
}

nav a:hover {
    background-color: rgb(140, 140, 140);
    color: white;
    font-size: 1.2em;
}

main {
    padding: 20px;
    margin-top: 70px;
}

iframe {
    display: block;
    margin: 20px auto;
    max-width: 100%;
}

body > footer {
    background-color: rgb(180, 180, 180);
    color: rgba(50, 50, 50, 0.6);
    font-weight: bold;
    font-size: 0.9em;
    line-height: 3em;
    text-align: center;
    margin-top: 10px;
    padding: 10px;
    clear: both;
}

/* Responsive Nav */
@media screen and (max-width: 768px) {
    body { width: 100%; margin: 0; }
    nav li { float: none; font-size: x-large; width: 100%; }
    nav a { border-bottom: 1px solid black; }
}

/* Desktop Nav */
@media screen and (min-width: 769px) {
    nav li { float: left; width: 33.33%; }
}