body {
    font-family: "Montserrat", sans-serif;
    margin: 0;
    padding: 0;
    /* background-color: #0078D7; */
}

h1 {
    font-family: "Montserrat", sans-serif;
    font-size: 75px;
    font-weight: lighter; 
    color: #ffffff;
    text-align: center;
}

h2 {
    font-family: "Montserrat", sans-serif;
    font-size: 25px;
    font-weight: bold;
    color: #0d4c00;
    padding: 10px;
}

h3 {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    font-weight: bold;
    color: #0d4c00;
    padding: 10px;
}

h4 {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    font-weight: bold;
    color: #0d4c00;
    padding: 10px;
}

p {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    color: #118899;
    padding: 10px;
}

a {
    font-family: "Montserrat", sans-serif;
    font-size: 20px;
    color: #181199;
    padding-top: 30px;            
}

nav {
    background-color: #0078D7;
    overflow: hidden;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: right;
}

nav li {
    float: right;
    padding-top: 0px;
    margin: 0px;
}

nav a {
    display: block;
    color: #ffff;
    text-align: center;
    padding: 14px 16px;
    font-size: 20px;
    text-decoration: none;
    padding-top: 0px;
    margin: 0px;
}

footer {
    background-color: #5f5f5f;
    overflow: hidden;
    padding: 1em;
}

footer ul {
    list-style: none;
    size: 100px;
    display: flex;
    justify-content: center;
}

footer li {
    float: right;
    margin: 0px;
    text-align: center;
}

footer a {
    display: block;
    color: #ffff;
    text-align: center;
    padding: 14px 16px;
    font-size: 20px;
    text-decoration: none;
    margin: 0px;
}

.nav-content {
    size: 20px;
    padding: 0px;
    margin: 0px;
}

.content_cover {
    background-image: url("https://upload.wikimedia.org/wikipedia/commons/9/98/Cern_datacenter.jpg");
    overflow-y: hidden;
    overflow-y: show;
    width: 100%;
    height: 250px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding-top: 10%;
    padding-bottom: 0;
    margin: 0px;
}