body {
    background-color: blue;
    margin: 0;
}

main {
    margin: 8px 8px 8px 8px;
}

h1, h2, h3, p, marquee, a, ul {
    color:red;
    font-family: "Comic Sans MS";
}

h1, marquee {
    font-size: 3em;
}

h1 {
    text-align: center;
}

/*p {
  margin-right: 150px;
  margin-left: 150px;
}*/

img {
    color:red;
}

img.centered {
    display: block;
    margin-right: auto;
    margin-left: auto;
}

img.main_center {
    border: 4px solid red;
    display: block;
    margin-right: auto;
    margin-left: auto;
}

.f {
    text-align: center;
}

a:link, a:visited {
    color: red;
    font-family: "Comic Sans MS";
}

.t {
    font-size: 3em
    text-align: center;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #1D17D0;
    border-bottom: 2px solid grey;
}

ul.menu {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

ul.menu li {
    float: left;
}

ul.menu li a {
    display: inline-block;
    text-align: center;
    padding: 4px 4px 4px 4px;
    text-decoration: none;
}

ul.menu li a:hover {
    background-color: #1813AC;
}