body {
    margin: 0;
    font-family: 'Source Sans Pro', sans-serif;
    background-image: url("/images/tile.jpg");
    background-repeat: repeat;
    font-size: 18px;
}

header {  
    text-align: center;
    box-shadow: rgba(0, 0, 0, 0.2) 0px 20px 30px;
}

header p {
    opacity: 0.6;
    font-weight: 200;
    font-style: italic;
}

header h1 {
    font-size: 48px;
}

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

.header-gradient {
    padding-top: 50px;
    padding-bottom: 15px;
    background-image:
            linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.2)),
            url('/images/header.jpg');
    background-size: cover;
    color: white;
    width:100%;
}

.header-image {
    border-radius: 128px;
    border: 2px solid black;
    box-shadow: rgba(50, 50, 93, 0.25) 0px 6px 12px -2px, rgba(0, 0, 0, 0.3) 0px 3px 7px -3px;
}

nav {
    display:inline-block;
    margin-bottom:0px;
}

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

nav ul li {
    display: inline-block;
    margin-top: 30px;
    margin-left: 15px;
    margin-right: 15px;
}

nav ul li a {
    background: rgba(0, 0, 0, 0.4);
    text-decoration: none;
    color: #fff;
    border: 2px solid black;
    padding: 12px 22px;
    border-radius: 12px;
    width: 120px;
    cursor:pointer;
}

nav ul li a:hover {
    background: rgba(0, 0, 0, 0.6);
}

#content {
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 768px) {
    #content {
        width: 750px;
    }
}

@media (min-width: 992px) {
    #content {
        width: 970px;
    }
}

@media (min-width: 1200px) {
    #content {
        width: 1170px;
    }
}