body {
    margin: 0;
    background: black;
    color: white;
    font-family: monospace;
    padding: 20px;
}

/* =========================
   LEVEL 1 - MAIN TITLE
   Skills Dashboard
   ========================= */
.title-1 {
    font-size: 72px;
    font-weight: 900;
    color: #00ff99;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 20px #00ff99, 0 0 40px #00ff99;
    margin-bottom: 10px;
    position: relative;
    z-index: 2;
}

/* =========================
   LEVEL 2 - SECTION TITLE
   TECHNOLOGIES & AREAS
   ========================= */
.title-2 {
    font-size: 52px;
    font-weight: 800;
    color: #00ff99;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px #00ff99;
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
}

/* =========================
   LEVEL 3 - CATEGORY TITLES
   OPERATING_SYSTEMS etc.
   ========================= */
.category-title {
    font-size: 40px;      /* BIG DIFFERENCE */
    font-weight: 900;
    color: #00ffaa;
    margin-top: 30px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 2;
}

/* =========================
   LEVEL 4 - TECHNOLOGY ITEMS
   Linux, Unix, etc.
   ========================= */
.category-item {
    font-size: 26px;      /* CLEARLY SMALLER BUT STILL READABLE */
    color: #ffff66;
    padding-left: 25px;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

/* spacing between blocks */
#output {
    margin-top: 20px;
    position: relative;
    z-index: 2;
}

/* background canvas */
canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 0;
}