body {
    background-color: #fff;
    color: #555;
    margin-left: auto;
    margin-right: auto;
    max-width: 800px;
    font-size: 16px;
}

h1 {
    font-size: 3rem;
}

a {
    color: #008cff;
}

a:hover {
    color: #008cff;
    text-decoration: underline;
}

/* ============================ */
/* MAIN HEADER
/* ============================ */

body > header {
    padding: 2rem;
    font-family: Arial;
    min-height: 140px;
}

body > header > h1 {
    font-size: 3rem;
    padding: 0;
    margin: 0;
    margin-bottom: 2rem;
}

body > header > h2 {
    font-size: 1.8rem;
}

body > header > nav {
    list-style-type: none;
}

body > header > nav li {
    display: inline-block;
    font-size: 3rem;
    margin-right: 3rem;
}

body > header > nav li a:hover {
    color: #00e1ff;
}

/* ============================= */
/* PROJECTS
/* ============================= */

.projects {
    padding: 2rem;
}

.projects > header > h1 {
    border-top: 1px solid #ccc;
    font-size: 1.7rem;
    color: #888;
    padding-top: 1rem;
    padding-bottom: 0;
    margin: 0;
}

article {
    border-bottom: 1px solid #ccc;
    padding: 0.5rem 1rem 4rem 1rem;
    margin-bottom: 4rem;
}

article h1 {
    font-size: 3rem;
    padding-top: 2rem;
    padding-bottom: 1rem;
    margin: 0;
}

article .short-description {
    padding-bottom: 1rem;
    margin: 0 0 1.5rem 0;
    font-weight: bold;
    color: #555;
}

article .short-description em {
    text-decoration: italic;
    color: #424242;
}

article nav ul {
    margin-top: 1rem;
    list-style-type: none;
    font-size: 1.6rem;
}

article nav li {
    display: inline-block;
    margin-right: 1.5rem;
}

article .technologies-used {
    padding-bottom: 0.7rem;
}

article .technologies-used em {
    font-weight: bold;
}

img.demo-image {
    display: block;
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
    margin-top: 4rem;
    margin-bottom: 4rem;
    border: 1px solid #ccc;
    padding: 2rem;
    width: 600px;
    background-color: #eee;
}