Adding styles to the website

/* GLOBAL */
section, footer, header
{
    display: block;
    clear: both;
}
h1, h2, h4, p, a, li
{
    font-family: 'Lato';
}
p
{
    line-height: 1.75em;
}

/* HEADER */

header
{
    line-height: 5em;
}

header, section:last-of-type
{
    position: relative;

    z-index: 500;
    -webkit-box-shadow: 0px 3px 6px 0px rgba(50, 50, 50, 0.22);
    -moz-box-shadow:    0px 3px 6px 0px rgba(50, 50, 50, 0.22);
    box-shadow:         0px 3px 6px 0px rgba(50, 50, 50, 0.22);
}

.logo
{
    font-family: 'Lobster', cursive;
    font-size: 250%;
    text-decoration: none;
    color: #ce0000;
    line-height: 2em;
}
.logo:hover
{
    color: #900;
}

.nav
{
    text-align: right;
}

nav
{
    display: block;
}

nav ul li {
  display: inline-block;
}

nav a
{
    padding: .5em 1em;
    line-height: 2em;
    text-decoration: none;
    color: #222;
    display: inline-block;
    text-align: right;
}
nav a:hover
{
    color: #ce0000;
    text-decoration: underline;
}

/* TEASER */

.teaser
{
    display: block;
    background: #ccc;
    padding: 1em 0;
    font-size: 1.3em;
}
.teaser p
{
    background: #fff;
    padding: .8em 1.2em;
    opacity: 0.8;
    text-align: left;
}

/* CONTENT */
.content
{
    padding: 1em 0;
    font-size: 1em;
}

h1
{
    font-size: 150%;
    font-weight: bold;
}

/* FOOTER */
footer
{
    background: #680000;
    color: #fff;
    padding: 2em 0;
}

footer ul
{
    list-style-type: none;
    padding: 0;
    margin: 0;
    font-size: 90%;
}

address
{
    display: inline;
}

footer ul li
{
    line-height: 2em;
}

footer ul .fa
{
    width: 16px;
    text-align: center;
}

footer a
{
    color: #fff;
    text-decoration: underline;
}
footer a:hover
{
    text-decoration: none;
    color: #fff;
}

.cms
{
    font-size: 80%;
    display: block;
    float: right;
}