body {
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    background-color: white;
    margin: 0px;
}

header {
    background-color: rgb(20, 20, 155);
    color: white;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    text-align:center;
    grid-row: 0/1;
    grid-column: 1/-1
}

#wrap {
    display: grid;
    grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 175px)) minmax(0px, 1fr);
  }

nav ul {
    list-style-type: none;
    margin: 1em, 1em, 1em, 1em;
    padding: 20px, 20px, 20px, 20px;
    display:flex;
    flex-flow: row nowrap;
}

nav {
    background-color: black;
    grid-row:3/4;
    grid-column: 1/-1;
}

nav a {
	color: white;
    display:block;
    text-align:center;
    text-decoration: none;
}

nav ul li {
    width: 100%;
}

* {
    box-sizing:border-box;
}

main {
    padding-left: 2em;
    padding-right: 2em;
    display: grid;
    background-color: rgb(20, 20, 155);
    padding-top: 20px;
    padding-bottom: 20px;
    grid-row: 4/5;
    grid-column: 1/-1;
    color: white;
}

footer {
    font-size: 1em;
    font-style: italic;
    padding: 2em;
    background-color: black;
    grid-row: 5/6;
    grid-column: 1/-1;
    color: white;
}

footer ul{
    list-style-type: none;
    margin: auto;
    padding: auto;
    display:flex;
    flex-flow: row nowrap;
}

footer ul li {
    width: 100%;
    text-align:center;
}

div {
    display: grid;
}

#nemo {
    height: 300px;
    background-image: url('./Nemo.jpg');
    background-size: cover;
    background-position: center;
    grid-row: 2/3;
    grid-column: 1/-1;
}

#aquarium {
    height: 500px;
    width: 300px;
    background-image: url('./aquarium.jpg');
    background-size: cover;
    background-position:center;
    grid-row: 1/4;
    grid-column: 3/3;
}

#twitter{
    background-image: url('./twitter-logo-final.png');
    background-size: cover;
    background-position:center;
    height: 35px;
    width: 35px;
    grid-row: -1/1;
    grid-column: 2/-2;
}

#instagram{
    background-image: url(./instagram.png);
    background-size: cover;
    background-position:center;
    height: 35px;
    width: 35px;
    grid-row: -1/1;
    grid-column: 3/4;
}

#facebook{
    background-image: url(./facebook.png);
    background-size: cover;
    background-position:center;
    height: 35px;
    width: 35px;
}