/* strip away hidden browser margins */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* background */
body {
    background-color: #000000;
    color: #ddd;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

/* main container */
.container {
    max-width: 900px;
    margin: 0 auto;
    /* center container on screen */
    background-color: #000;
    border: 1px solid #333;
}

/* header */
header {
    text-align: center;
    padding: 30px;
    border-bottom: 1px solid #333;
}

header h1 {
    color: #ff2a2a;
    text-shadow: 0 0 4px #ff0000, 0 0 12px rgba(255, 0, 0, 0.6);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

nav a {
    color: #ff2a2a;
    text-shadow: 0 0 4px #ff0000, 0 0 12px rgba(255, 0, 0, 0.6);
    text-decoration: none;
    padding: 0 10px;
}

nav a:hover {
    text-decoration: underline;
}

/* flexbox Layout */
.content-wrapper {
    display: flex;
    min-height: 500px;
}

/* sidebar */
.sidebar {
    width: 250px;
    padding: 20px;
    border-right: 1px solid #333;
}

/* main content */
.main-content {
    flex-grow: 1;
    padding: 20px;
}

h2,
h1,
h3 {
    color: #ff2a2a;
    text-shadow: 0 0 4px #ff0000, 0 0 12px rgba(255, 0, 0, 0.6);
    margin-bottom: 10px;
    font-family: 'Courier New', Courier, monospace;
}

p {
    color: #ff2a2a;
    text-shadow: 0 0 4px #ff0000, 0 0 12px rgba(255, 0, 0, 0.6);
}

#proto-head {
    scale: 90%;
}