style.css

@font-face {
    font-family: 'Source Code Pro';
    src: url('fonts/SourceCodePro-Regular.ttf');
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    background-color: #000;
    color: #00E640;
    display: flex;
    flex-direction: column;
    font-family: 'Source Code Pro', monospace;
    max-height: 100vh;
    min-height: 100vh;
}


/* Green borders, margins, and navy blue background */

header, aside, #sketch-holder {
    border: 1px solid #00E640;
    border-radius: 10px;
    margin: 2px;
}

header, aside {
    background-color: #013243;
}


/* Page content */

header {
    padding: 14px;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    text-align: center;
    text-shadow: 1px 1px 0 #000;
}

main {
    display: flex;
    flex: 1;
    flex-direction: row;
}

a:link, a:visited {
    color: #00E640;
}

#left-asides, #right-asides {
    display: flex;
    flex-direction: column;
}

#left-asides {
    margin-left: 2px;
}

#right-asides {
    margin-right: 2px;
    min-width: 195px;
}

aside {
    padding: 14px;
}

.group p:first-of-type {
    margin-bottom: 0;
}

.group p + p:not(:last-of-type) {
    margin: 0;
}

.group p:last-of-type {
    margin-top: 0;
}

#store {
    flex: 1;
}

#store button, #map-aside button {
    color: #000;
    min-width: 100%;
    text-align: center;
    text-shadow: none;
}

#sketch-holder {
    background-color: #000;
    flex: 1;
    margin: 2px;
    overflow: hidden;
    position: relative;
}

canvas {
    bottom: 0;
    display: block;
    left: 0;
    margin: auto;
    position: absolute;
    right: 0;
    top: 0;
}

button, select {
    background-color: #22313F;
    color: #00E640;
    font-family: 'Source Code Pro', monospace;
    font-size: 0.85em;
    text-shadow: 1px 1px 0 #000;
}

button {
    height: 30px;
}

.horiz-buttons {
    display: flex;
    flex-direction: row;
    min-width: 100%;
}

.horiz-buttons button {
    display: block;
    flex: 1;
    text-align: center;
}

#status {
    font-size: 0.95em;
}

#info {
    flex: 1;
}

#info-div {
    display: none;
    margin: 0;
}

#info p {
    font-size: 0.8em;
}

#info-buttons {
    display: none;
}

#info-buttons button {
    color: #000;
    font-size: 0.8em;
    text-shadow: none;
}


/* Misc. buttons */

.io {
    background-color: rgb(224, 130, 131);
}

#sell {
    background-color: rgb(248, 148, 6);
}

#upgrade {
    background-color: rgb(25, 181, 254);
}


/* Tower types */

.gun {
    background-color: rgb(249, 191, 59);
}

.laser {
    background-color: rgb(25, 181, 254);
}

.slow {
    background-color: rgb(68, 108, 179);
}

.sniper {
    background-color: rgb(207, 0, 15);
}

.rocket {
    background-color: rgb(30, 130, 76);
}

.bomb {
    background-color: rgb(102, 51, 153);
}

.tesla {
    background-color: rgb(255, 255, 0);
}