styles.css

@font-face {
  font-family: 'Uni-Black';
  src: url('fonts/unineue-black.otf');
  font-style: 'normal';
}
@font-face {
  font-family: 'Uni-Black-Italic';
  src: url('fonts/unineue-blackitalic.otf');
  font-style: 'italic';
}
@font-face {
  font-family: 'Uni-Bold';
  src: url('fonts/unineue-bold.otf');
  font-style: 'normal';
}
@font-face {
  font-family: 'Uni-Bold-Italic';
  src: url('fonts/unineue-bolditalic.otf');
  font-style: 'italic';
}
@font-face {
  font-family: 'Uni-Heavy';
  src: url('fonts/unineue-heavy.otf');
  font-style: 'normal';
}
@font-face {
  font-family: 'Uni-Heavy-Italic';
  src: url('fonts/unineue-heavyitalic.otf');
  font-style: 'italic';
}
@font-face {
  font-family: 'Uni-Book';
  src: url('fonts/unineue-book.otf');
  font-style: 'normal';
}
@font-face {
  font-family: 'Uni-Book-Italic';
  src: url('fonts/unineue-bookitalic.otf');
  font-style: 'italic';
}
@font-face {
  font-family: 'Uni-Thin';
  src: url('fonts/unineue-thin.otf');
  font-style: 'normal';
}
@font-face {
  font-family: 'Uni-Thin-Italic';
  src: url('fonts/unineue-thinitalic.otf');
  font-style: 'italic';
}
@font-face {
  font-family: 'Uni-Regular';
  src: url('fonts/unineue-regular.otf');
  font-style: 'normal';
}
@font-face {
  font-family: 'Uni-Regular-Italic';
  src: url('fonts/unineue-regularitalic.otf');
  font-style: 'italic';
}
@font-face {
  font-family: 'Uni-Light';
  src: url('fonts/unineue-light.otf');
  font-style: 'normal';
}
@font-face {
  font-family: 'Uni-Light-Italic';
  src: url('fonts/unineue-lightitalic.otf');
  font-style: 'italic';
}

/*! normalize.css v7.0.0 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in
 *    IE on Windows Phone and in iOS.
 */

 html {
    line-height: 1.15; /* 1 */
    -ms-text-size-adjust: 100%; /* 2 */
    -webkit-text-size-adjust: 100%; /* 2 */
  }
  
  /* Sections
     ========================================================================== */
  
  /**
   * Remove the margin in all browsers (opinionated).
   */
  
  body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
  }
  
  /**
   * Add the correct display in IE 9-.
   */
  
  article,
  aside,
  footer,
  header,
  nav,
  section {
    display: block;
  }
  
  /**
   * Correct the font size and margin on `h1` elements within `section` and
   * `article` contexts in Chrome, Firefox, and Safari.
   */
  
  h1 {
    font-size: 2em;
    margin: 0.67em 0;
  }
  
  /* Grouping content
     ========================================================================== */
  
  /**
   * Add the correct display in IE 9-.
   * 1. Add the correct display in IE.
   */
  
  figcaption,
  figure,
  main { /* 1 */
    display: block;
  }
  
  /**
   * Add the correct margin in IE 8.
   */
  
  figure {
    margin: 1em 40px;
  }
  
  /**
   * 1. Add the correct box sizing in Firefox.
   * 2. Show the overflow in Edge and IE.
   */
  
  hr {
    box-sizing: content-box; /* 1 */
    height: 0; /* 1 */
    overflow: visible; /* 2 */
  }
  
  /**
   * 1. Correct the inheritance and scaling of font size in all browsers.
   * 2. Correct the odd `em` font sizing in all browsers.
   */
  
  pre {
    font-family: monospace, monospace; /* 1 */
    font-size: 1em; /* 2 */
  }
  
  /* Text-level semantics
     ========================================================================== */
  
  /**
   * 1. Remove the gray background on active links in IE 10.
   * 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
   */
  
  a {
    background-color: transparent; /* 1 */
    -webkit-text-decoration-skip: objects; /* 2 */
    font-family: sans-serif; /* 1 */
    text-decoration: none;
  }
  
  /**
   * 1. Remove the bottom border in Chrome 57- and Firefox 39-.
   * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
   */
  
  abbr[title] {
    border-bottom: none; /* 1 */
    text-decoration: underline; /* 2 */
    text-decoration: underline dotted; /* 2 */
  }
  
  /**
   * Prevent the duplicate application of `bolder` by the next rule in Safari 6.
   */
  
  b,
  strong {
    font-weight: inherit;
  }
  
  /**
   * Add the correct font weight in Chrome, Edge, and Safari.
   */
  
  b,
  strong {
    font-weight: bolder;
  }
  
  /**
   * 1. Correct the inheritance and scaling of font size in all browsers.
   * 2. Correct the odd `em` font sizing in all browsers.
   */
  
  code,
  kbd,
  samp {
    font-family: monospace, monospace; /* 1 */
    font-size: 1em; /* 2 */
  }
  
  /**
   * Add the correct font style in Android 4.3-.
   */
  
  dfn {
    font-style: italic;
  }
  
  /**
   * Add the correct background and color in IE 9-.
   */
  
  mark {
    background-color: #ff0;
    color: #000;
  }
  
  /**
   * Add the correct font size in all browsers.
   */
  
  small {
    font-size: 80%;
  }
  
  /**
   * Prevent `sub` and `sup` elements from affecting the line height in
   * all browsers.
   */
  
  sub,
  sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }
  
  sub {
    bottom: -0.25em;
  }
  
  sup {
    top: -0.5em;
  }
  
  /* Embedded content
     ========================================================================== */
  
  /**
   * Add the correct display in IE 9-.
   */
  
  audio,
  video {
    display: inline-block;
  }
  
  /**
   * Add the correct display in iOS 4-7.
   */
  
  audio:not([controls]) {
    display: none;
    height: 0;
  }
  
  /**
   * Remove the border on images inside links in IE 10-.
   */
  
  img {
    border-style: none;
  }
  
  /**
   * Hide the overflow in IE.
   */
  
  svg:not(:root) {
    overflow: hidden;
  }
  
  /* Forms
     ========================================================================== */
  
  /**
   * 1. Change the font styles in all browsers (opinionated).
   * 2. Remove the margin in Firefox and Safari.
   */
  
  button,
  input,
  optgroup,
  select,
  textarea {
    font-family: sans-serif; /* 1 */
    font-size: 100%; /* 1 */
    line-height: 1.15; /* 1 */
    margin: 0; /* 2 */
  }
  
  /**
   * Show the overflow in IE.
   * 1. Show the overflow in Edge.
   */
  
  button,
  input { /* 1 */
    overflow: visible;
  }
  
  /**
   * Remove the inheritance of text transform in Edge, Firefox, and IE.
   * 1. Remove the inheritance of text transform in Firefox.
   */
  
  button,
  select { /* 1 */
    text-transform: none;
  }
  
  /**
   * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
   *    controls in Android 4.
   * 2. Correct the inability to style clickable types in iOS and Safari.
   */
  
  button,
  html [type="button"], /* 1 */
  [type="reset"],
  [type="submit"] {
    -webkit-appearance: button; /* 2 */
    font-family: sans-serif;
  }
  
  /**
   * Remove the inner border and padding in Firefox.
   */
  
  button::-moz-focus-inner,
  [type="button"]::-moz-focus-inner,
  [type="reset"]::-moz-focus-inner,
  [type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
  }
  
  /**
   * Restore the focus styles unset by the previous rule.
   */
  
  button:-moz-focusring,
  [type="button"]:-moz-focusring,
  [type="reset"]:-moz-focusring,
  [type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
  }
  
  /**
   * Correct the padding in Firefox.
   */
  
  fieldset {
    padding: 0.35em 0.75em 0.625em;
  }
  
  /**
   * 1. Correct the text wrapping in Edge and IE.
   * 2. Correct the color inheritance from `fieldset` elements in IE.
   * 3. Remove the padding so developers are not caught out when they zero out
   *    `fieldset` elements in all browsers.
   */
  
  legend {
    box-sizing: border-box; /* 1 */
    color: inherit; /* 2 */
    display: table; /* 1 */
    max-width: 100%; /* 1 */
    padding: 0; /* 3 */
    white-space: normal; /* 1 */
  }
  
  /**
   * 1. Add the correct display in IE 9-.
   * 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
   */
  
  progress {
    display: inline-block; /* 1 */
    vertical-align: baseline; /* 2 */
  }
  
  /**
   * Remove the default vertical scrollbar in IE.
   */
  
  textarea {
    overflow: auto;
  }
  
  /**
   * 1. Add the correct box sizing in IE 10-.
   * 2. Remove the padding in IE 10-.
   */
  
  [type="checkbox"],
  [type="radio"] {
    box-sizing: border-box; /* 1 */
    padding: 0; /* 2 */
  }
  
  /**
   * Correct the cursor style of increment and decrement buttons in Chrome.
   */
  
  [type="number"]::-webkit-inner-spin-button,
  [type="number"]::-webkit-outer-spin-button {
    height: auto;
  }
  
  /**
   * 1. Correct the odd appearance in Chrome and Safari.
   * 2. Correct the outline style in Safari.
   */
  
  [type="search"] {
    -webkit-appearance: textfield; /* 1 */
    outline-offset: -2px; /* 2 */
  }
  
  /**
   * Remove the inner padding and cancel buttons in Chrome and Safari on macOS.
   */
  
  [type="search"]::-webkit-search-cancel-button,
  [type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
  }
  
  /**
   * 1. Correct the inability to style clickable types in iOS and Safari.
   * 2. Change font properties to `inherit` in Safari.
   */
  
  ::-webkit-file-upload-button {
    -webkit-appearance: button; /* 1 */
    font: inherit; /* 2 */
  }
  
  /* Interactive
     ========================================================================== */
  
  /*
   * Add the correct display in IE 9-.
   * 1. Add the correct display in Edge, IE, and Firefox.
   */
  
  details, /* 1 */
  menu {
    display: block;
  }
  
  /*
   * Add the correct display in all browsers.
   */
  
  summary {
    display: list-item;
  }
  
  /* Scripting
     ========================================================================== */
  
  /**
   * Add the correct display in IE 9-.
   */
  
  canvas {
    display: inline-block;
  }
  
  /**
   * Add the correct display in IE.
   */
  
  template {
    display: none;
  }
  
  /* Hidden
     ========================================================================== */
  
  /**
   * Add the correct display in IE 10-.
   */
  
  [hidden] {
    display: none;
  }
  
* {
    box-sizing: border-box;
}

body {
    color: #656565;
    font-family: helvetica,sans-serif;
}

h1 {
    font-size: 70px;
    margin: 0.2em;
}

h2 {
    margin: 1em 0 0.25em;
}

td {
    border: 1px solid;
    border-color: #000000;
}

table {
    border-collapse: collapse;
    margin: 0 auto;
}

td {
    width: 20px;
    height: 20px;
    cursor: crosshair;
    box-sizing: border-box;
}

input[type=number] {
    width: 6em;
}

#pixelCanvas {
    background-color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    transform: translate(-50%, -50%);
}

[disabled] {
    cursor: not-allowed;
    opacity: 0.3;
}

html, body, #appWrapper {
  height: 100%;
  -webkit-font-smoothing: antialiased;
}

#hiddenCanvas {
  position: fixed;
  z-index: 0;
  top: 0;
  left: 0;
}

button, a.button {
  padding: 5px 10px;
  background-color: #e8e8e8;
  color: rgb(117, 117, 117);
  border-radius: 2px;
  border: none;
  font-family: 'Uni-Regular';
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.5s ease;
  margin-bottom: 5px;
  outline: none;
}

input:focus {
  outline:0;
}

button:hover, a.button:hover {
  background-color: #a9a9a9;
  color: white;
}

input:not([type="range"]):not([type="color"]) {
  min-height: 28px;
  border: none;
  border-radius: 2px;
  padding: 5px;
  width: 90px;
  margin-bottom: 5px;
}

#loadBar, #toolWrapper {
  height: 100%;
  display: inline-block;
  overflow: auto;
  text-align: left;
  width: 260px;
  vertical-align: top;
}

#canvasWrapper {
  width: calc(100% - 520px);
  display: inline-block;
  height: 100%;
  padding: 20px;
  vertical-align: top;
  position: relative;
  overflow: auto;
}

#gridLineOpacity {
  position: relative;
  top: 6px;
}

#loadBar .canvasWrapper {
  display: inline-block;
  margin-bottom: 10px;
  margin-right: 10px;
  cursor: pointer;
  vertical-align: top;
}

#loadBar .canvasWrapper.selected {
  border: 2px solid rgb(189, 189, 189);
}

#loadBar .canvasWrapper {
  border: 2px solid transparent;
}

#loadBar canvas {
  vertical-align: top;
  box-shadow: 1px 1px 2px 1px rgba(0,0,0,0.2);
  background-color: rgba(256,256,256,0.4);
}

.noselect {
  -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
      -khtml-user-select: none; /* Konqueror HTML */
        -moz-user-select: none; /* Firefox */
        -ms-user-select: none; /* Internet Explorer/Edge */
            user-select: none; /* Non-prefixed version, currently
                                  supported by Chrome and Opera */
}

#colorPickerHsl div {
  border: none;
  vertical-align: top;
}

#colorPickerHsl {
  width: 100px;
  display: inline-block;
}

/* modified from https://briangrinstead.com/blog/create-a-hue-slider-with-css-gradients/ */

#hueDisplay {
  display: inline-block;
  background: -moz-linear-gradient(top, #ff00ff 0%, #0000ff 20%, #00ffff 40%, #00ff00 60%, #ffff00 80%, #ff0000 100%);
  background: -ms-linear-gradient(top, #ff00ff 0%, #0000ff 20%, #00ffff 40%, #00ff00 60%, #ffff00 80%, #ff0000 100%);
  background: -o-linear-gradient(top, #ff00ff 0%, #0000ff 20%, #00ffff 40%, #00ff00 60%, #ffff00 80%, #ff0000 100%);
  background: -webkit-gradient(linear, left top, left bottom, from(#ff00ff), color-stop(0.2, #0000ff), color-stop(0.4, #00ffff), color-stop(0.6, #00ff00), color-stop(0.8, #ffff00), to(#ff0000));
  background: -webkit-linear-gradient(top, #ff00ff 0%, #0000ff 20%, #00ffff 40%, #00ff00 60%, #ffff00 80%, #ff0000 100%);
  background: linear-gradient(to bottom, #ff00ff 0%, #0000ff 20%, #00ffff 40%, #00ff00 60%, #ffff00 80%, #ff0000 100%);
  width: 10px;
  height: 100px;
  vertical-align: top;
  position: relative;
  z-index: 1;
  right: 14px;
}

#showGrid > * {
  pointer-events: none;
}

#showGrid.active {
  color: white;
  background-color: #a9a9a9;
}

#paletteDescription {
  font-size: 10px;
  position: relative;
  bottom: 25px;
  left: 10px;
  pointer-events: none;
  z-index: 1;
}

#colorDisplay {
  height: 30px;
  background-color: rgb(0,0,0);
}

#toolWrapper {
  background: #f7f7f7;
  position: relative;
  border-right: 1px solid #cacaca;
  z-index: 3;
  box-shadow: 2px 5px 17px 11px rgba(0,0,0,0.2);
}

#canvasWrapper {
  background: #e6e6e6;
  position: relative;
  z-index: 2;
  box-shadow: 2px 5px 7px 3px rgba(0,0,0,0.2);
  border-right: 1px solid #d2d2d2;
}

#loadBar {
  padding: 10px;
  padding-left: 28px;
  background: #f7f7f7;
  position: relative;
  border-right: 1px solid #cacaca;
  z-index: 3;
  box-shadow: 2px 5px 17px 11px rgba(0,0,0,0.2);
}

.modeWrapper {
  padding: 10px 0px;
}

.modeWrapper label {
	cursor: pointer;
	position: relative;
}

.modeWrapper label + label {
	margin-left: 10px;
}

input[type="radio"] {
	opacity: 0; 
	position: absolute;
}

input[type="radio"] + span {
	font-family: 'Material Icons';
	color: #656565;
	border-radius: 50%;
	padding: 12px;
	transition: all 0.4s;
}

input[type="radio"]:checked + span {
  color: #656565;
  background-color: #e6e6e6;
}

input[type="radio"]:focus + span {
	color: #656565;
}

.modeWrapper input {
  width: auto!important;
}

#logo {
  padding: 25px 46px 15px 38px;
  opacity: 0.75;
}

.toolContainer {
  border-top: 1px solid #e8e8e8;
  margin-top: 10px;
  padding: 10px;
}

h2 {
  color: #949494;
  font-size: 11px;
  font-family: 'Uni-Regular', sans-serif;
  margin: 5px 0px 10px 0px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

h3 {
  color: #cacaca;
  font-size: 11px;
  font-family: 'Uni-Regular', sans-serif;
  margin: 5px 0px 10px 0px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

#canvasSettings span {
  width: 20px;
  display: inline-block;
  text-align: center;
}

.toolContainer input:not([type="range"]):not([type="color"]) {
  display: inline-block;
  width: calc(50% - 28px);
  border: 1px inset #efecec6e;
  background-color: #ffffff85;
}

#canvasTools {
  display: flex;
}

#downloadButton {
  margin-right: 5px;
}

#makeGridButton{
  display: block;
  width: 100%;
  flex-basis: 100%;
}

.toolContainer button:not(#makeGridButton):not(:last-of-type) {
  margin-right: 5px;
}

#presetButtons {
  display: flex;
  flex-wrap: wrap;
  margin-top: 5px;
}

#presetButtons button:not(#makeGridButton){
  flex-grow: 1;
}

#palette {
  background-color: #e8e8e8;
  height: 30px;
  display: flex;
}

.paletteItem {
  height: 100%;
  flex-grow: 1;
  position: relative;
  z-index: 2;
}

.over {
  border: 3px dashed #3a3a3a;
}

button.active {
  color: white;
  background-color: #a9a9a9;
}

#hexInput {
  text-align: center;
  width: 100%;
  margin-top: 3px;
}

#originalSize {
  position: relative;
  height: 100%;
}

#originalSize canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* tooltip from w3c https://www.w3schools.com/howto/howto_css_tooltip.asp */
.tooltip {
  position: relative;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 120px;
  background-color: #555;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px 0;
  position: absolute;
  z-index: 1;
  top: 160%;
  left: 50%;
  margin-left: -60px;
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: transparent transparent #555 transparent;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

/* modified from https://css-tricks.com/styling-cross-browser-compatible-range-inputs-css/ */

input[type=range][orient=vertical] {
  -webkit-appearance: slider-vertical;
  width: 8px;
  height: 100px;
  padding: 0 5px;
  vertical-align: top;
  margin-left: 11px;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor: pointer;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d; /* Add cool effects to your sliders! */
  position: relative;
  z-index: 2;
}

/* All the same stuff for Firefox */
input[type=range]::-moz-range-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor: pointer;
  position: relative;
  z-index: 2;
}

/* All the same stuff for IE */
input[type=range]::-ms-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 36px;
  width: 16px;
  border-radius: 3px;
  background: #ffffff;
  cursor: pointer;
  position: relative;
  z-index: 2;
}