style.css

/*! normalize.css v7.0.0 | MIT License | github.com/necolas/normalize.css */
html {
  line-height: 1.15;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
}
article,
aside,
footer,
header,
nav,
section {
  display: block;
}
h1 {
  font-size: 2em;
  margin: 0.67em 0;
}
figcaption,
figure,
main {
  display: block;
}
figure {
  margin: 1em 40px;
}
hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
}
pre {
  font-family: monospace, monospace;
  font-size: 1em;
}
a {
  background-color: transparent;
  -webkit-text-decoration-skip: objects;
}
abbr[title] {
  border-bottom: none;
  text-decoration: underline;
  text-decoration: underline dotted;
}
b,
strong {
  font-weight: inherit;
}
b,
strong {
  font-weight: bolder;
}
code,
kbd,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}
dfn {
  font-style: italic;
}
mark {
  background-color: #ff0;
  color: #000;
}
small {
  font-size: 80%;
}
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
sub {
  bottom: -0.25em;
}
sup {
  top: -0.5em;
}
audio,
video {
  display: inline-block;
}
audio:not([controls]) {
  display: none;
  height: 0;
}
img {
  border-style: none;
}
svg:not(:root) {
  overflow: hidden;
}
button,
input,
optgroup,
select,
textarea {
  font-family: sans-serif;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}
button,
input {
  overflow: visible;
}
button,
select {
  text-transform: none;
}
[type="reset"],
[type="submit"],
button,
html [type="button"] {
  -webkit-appearance: button;
}
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner,
button::-moz-focus-inner {
  border-style: none;
  padding: 0;
}
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring,
button:-moz-focusring {
  outline: 1px dotted ButtonText;
}
fieldset {
  padding: 0.35em 0.75em 0.625em;
}
legend {
  box-sizing: border-box;
  color: inherit;
  display: table;
  max-width: 100%;
  padding: 0;
  white-space: normal;
}
progress {
  display: inline-block;
  vertical-align: baseline;
}
textarea {
  overflow: auto;
}
[type="checkbox"],
[type="radio"] {
  box-sizing: border-box;
  padding: 0;
}
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto;
}
[type="search"] {
  -webkit-appearance: textfield;
  outline-offset: -2px;
}
[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}
::-webkit-file-upload-button {
  -webkit-appearance: button;
  font: inherit;
}
details,
menu {
  display: block;
}
summary {
  display: list-item;
}
canvas {
  display: inline-block;
}
template {
  display: none;
}
[hidden] {
  display: none;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: "Cascadia Code", ui-monospace, SFMono-Regular, Menlo, Monaco,
    Consolas, "Liberation Mono", "Courier New", monospace;
  color: #e1efff;
  background: rgb(25, 53, 73);
  padding: 1rem;
  height: 100vh;
}

p {
  font-size: 1rem;
  line-height: 1.5rem;
  margin: 1rem 0;
}

h3 + p {
  margin-top: 0rem;
}

a {
  color: rgb(255, 198, 0);
  text-decoration: none;
  border-bottom: 1px rgb(255, 198, 0) solid;
  padding: 2px 2px 1px 2px;
  margin: -2px 0;
  line-height: 1rem;
  display: inline-block;
  transition: all 100ms ease-out;
}

a:hover {
  /* color: rgb(25, 53, 73); */
  background: rgb(0, 136, 255);
  margin: -4px -2px;
  padding: 4px 4px 3px 4px;
}

a:active {
  /* color: rgb(25, 53, 73); */
  background: rgb(0, 136, 255);
  margin: 0;
  padding: 0;
  border: 0;
}

hr {
  border: 0;
  border-top: 1px rgb(0, 136, 255) solid;
  margin: 2rem 1rem;
}

h1 {
  color: rgb(128, 255, 187);
  font-size: 4rem;
  line-height: 3.5rem;
  text-transform: uppercase;
  margin: 2rem 0;
}

h1 > small {
  color: rgb(255, 157, 0);
  font-size: 2rem;
  display: block;
  line-height: 2rem;
  margin-top: 1rem;
}

h2 {
  color: rgb(158, 255, 255);
  font-size: 2rem;
  margin: 1rem 0;
  line-height: 2rem;
  text-transform: uppercase;
  font-weight: normal;
}

canvas {
  image-rendering: pixelated;
}

#container {
  width: 100%;
  max-width: 800px;
  height: 100%;

  display: flex;
  align-content: stretch;
  flex-direction: column;

  border: 1px solid rgb(0, 136, 255);
  border-radius: 4px;

  box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.25);
}

header {
  text-align: left;
  flex: 0;
  padding: 0.5rem;
  line-height: 1.5;

  color: rgb(255, 198, 0);
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgb(0, 136, 255);
}

footer {
  text-align: left;
  flex: 0;
  padding: 0.5rem;
  line-height: 1.5;
  /* font-style: italic; */

  color: rgb(0, 136, 255);
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid rgb(0, 136, 255);
}

#content {
  color: white;
  flex: 1;
  padding: 1rem;
  overflow-x: hidden;
  overflow-y: scroll;
}

#content > pre,
#content > p {
  margin: 0;
}

#content > .actions {
  margin: 1rem 0;
  transition: transform 250ms ease, opacity 500ms linear;
  opacity: 0;
  transform: translateX(-8px);
}

#content > .actions > button {
  font-size: 1rem;
  line-height: 1;
  padding: 0.5rem;
  margin: 0.25rem;
  border: 0;
  outline: 0;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 0;
  cursor: pointer;

  border: 1px solid rgb(0, 136, 255);
  border-radius: 4px;

  box-shadow: 4px 4px 4px rgba(0, 0, 0, 0.25);

  font-family: "Cousine", monospace;
  color: #e1efff;

  transition: transform 50ms ease, opacity 100ms linear;
}

#content > .actions > button.selected,
#content > .actions > button:hover {
  background: rgb(0, 136, 255);
  box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

#content > .actions > button:active {
  background: rgb(0, 136, 255);
  box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.25);
  transform: translateY(2px);
}

#content > .actions > button.disabled,
#content > .actions > button.selected {
  pointer-events: none;
}

#content > .actions > button.disabled {
  opacity: 0.25;
}

/* TEXT MODIFIERS */

.m-emoji {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji";
}

.m-italics {
  font-style: italic;
}

.m-bold {
  font-weight: bold;
}