piskel/dev/css/dialogs-cheatsheet.css

.cheatsheet-link {
  position: fixed;
  bottom: 10px;
  left: 10px;

  color : var(--highlight-color);
  font-weight: bold;
  font-size : 1.25em;
  line-height: 20px;

  cursor: pointer;

  opacity: 0.5;
  z-index: 11000;
  transition : opacity 0.3s;
}

.cheatsheet-link:hover {
  opacity: 1;
}

.cheatsheet-container {
  box-sizing: border-box;
  display: block;

  bottom: 46px;
  padding: 20px 3%;
  border-radius: 3px;
  background-color: rgba(0,0,0,0.9);
  overflow: auto;
}

.cheatsheet-container .cheatsheet-title {
  font-size:24px;
  margin-top: 30px;
}

.cheatsheet-container .cheatsheet-title:nth-of-type(1) {
  margin-top: 0;
}

.cheatsheet-section {
  box-sizing: border-box;
  float: left;

  vertical-align: top;
  padding : 0 20px 20px 20px;
  min-width: 300px;
}

.cheatsheet-boxes {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;

  float: left;
}

@media (min-width: 1300px) {
  .cheatsheet-container > div {
    width: 33%;
  }
  .cheatsheet-boxes {
    flex-direction: column;
  }
}

.cheatsheet-shortcut {
  overflow: hidden;
  margin: 10px 0;
}

.cheatsheet-icon.tool-icon {
  float: left;

  height: 30px;
  width: 30px;
  margin: 0 10px 0 0;
  background-size: 30px 30px;
}

.cheatsheet-description {
  color: white;
  font-size : 14px;
  margin-left: 10px;
  line-height : 30px;
}

.cheatsheet-key {
  box-sizing: border-box;
  display : inline-block;
  height: 30px;
  line-height: 26px;
  padding: 0 10px;

  border : 2px solid white;
  border-radius: 2px;

  text-align: center;
  font-family: monospace;
  font-weight: bold;
  font-size : 18px;
  color: white;
}

.cheatsheet-shorcut-conflict .cheatsheet-key {
  border-color: red;
  color: red;
}

.cheatsheet-shortcut-editable {
  cursor : pointer;
}

.cheatsheet-shortcut-editable .cheatsheet-key {
  border-color: var(--highlight-color);
  color: var(--highlight-color);
}

.cheatsheet-shortcut-editing .cheatsheet-key {
  animation: fade .5s infinite;
}

.cheatsheet-shortcut-undefined .cheatsheet-key {
  border-color: red;
  color: red;
}

/*Cheatsheet actions*/

.cheatsheet-actions {
  position: absolute;
  box-sizing: border-box;

  bottom : 0;
  left : 0;
  right : 0;
  height : 46px;

  padding : 10px;
  overflow: hidden;

  background-color : var(--highlight-color);
}

.cheatsheet-helptext {
  font-size: 14px;
  height : 26px;
  line-height : 26px;
  color: black;
}

.cheatsheet-helptext-tooltip {
  text-align: left;
}

.cheatsheet-helptext-tooltip-item {
  line-height: 0.9em;
  margin: 10px 0;
}

.cheatsheet-button {
  position: absolute;
  bottom: 10px;
  right: 10px;
}


.cheatsheet-icon-tool-circle {
  background-image: url(../img/icons/tools/tool-circle.png);
}

.cheatsheet-icon-tool-colorpicker {
  background-image: url(../img/icons/tools/tool-colorpicker.png);
}

.cheatsheet-icon-tool-colorswap {
  background-image: url(../img/icons/tools/tool-colorswap.png);
}

.cheatsheet-icon-tool-dithering {
  background-image: url(../img/icons/tools/tool-dithering.png);
}

.cheatsheet-icon-tool-eraser {
  background-image: url(../img/icons/tools/tool-eraser.png);
}

.cheatsheet-icon-tool-lasso-select {
  background-image: url(../img/icons/tools/tool-lasso-select.png);
}

.cheatsheet-icon-tool-lighten {
  background-image: url(../img/icons/tools/tool-lighten.png);
}

.cheatsheet-icon-tool-move {
  background-image: url(../img/icons/tools/tool-move.png);
}

.cheatsheet-icon-tool-paint-bucket {
  background-image: url(../img/icons/tools/tool-paint-bucket.png);
}

.cheatsheet-icon-tool-pen {
  background-image: url(../img/icons/tools/tool-pen.png);
}

.cheatsheet-icon-tool-rectangle-select {
  background-image: url(../img/icons/tools/tool-rectangle-select.png);
}

.cheatsheet-icon-tool-rectangle {
  background-image: url(../img/icons/tools/tool-rectangle.png);
}

.cheatsheet-icon-tool-shape-select {
  background-image: url(../img/icons/tools/tool-shape-select.png);
}

.cheatsheet-icon-tool-stroke {
  background-image: url(../img/icons/tools/tool-stroke.png);
}

.cheatsheet-icon-tool-vertical-mirror-pen {
  background-image: url(../img/icons/tools/tool-vertical-mirror-pen.png);
}