piskel/src/css/dialogs-create-palette.css

#dialog-container.create-palette {
  width: 500px;
  height: 600px;
  top : 50%;
  left : 50%;
  position : absolute;
  margin-left: -250px;
}

.show #dialog-container.create-palette {
  margin-top: -300px;
}

.create-palette-section {
  position: absolute;
  left: 10px;
  top: 50px;
}

.create-palette-import-section {
  display : inline-block;
}

.colors-container {
  position: absolute;

  left: 10px;
  right: 10px;
  top: 85px;

  height: 460px;

  border: 1px solid black;
  background: #333;
}

.color-picker-container {
  position:absolute;
  left : 280px;
  top:0;
  bottom:0;
  right:0;
  background: #222;
}

.create-palette-actions {
  position: absolute;
  box-sizing: border-box;

  width:100%;
  height: 45px;

  left: 0;
  right: 0;
  bottom: 0;

  padding:10px;
  text-align:right;
}

.color-preview {
  width: 170px;
  height: 76px;
  margin: 11px;
}

.colors-list {
  overflow: auto;
  width: 280px;
  box-sizing: border-box;
  height: 100%;
  padding-bottom: 10px;
}

.create-palette-color, .create-palette-new-color, .colors-list-drop-proxy{
  position:relative;
  float : left;

  width : 44px;
  height : 44px;
  margin : 10px 0 0 10px;

  box-sizing : border-box;

  cursor : pointer;
}

@-moz-document url-prefix() {
  .create-palette-color, .create-palette-new-color, .colors-list-drop-proxy{
    margin : 7px 0 0 7px;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .create-palette-color, .create-palette-new-color, .colors-list-drop-proxy{
    margin : 7px 0 0 7px;
  }
}


.create-palette-color {
  border:1px solid #2c2c2c;
  transition : border-color 0.2s;
}
.create-palette-color:hover {
  border:1px solid gold;
}

.colors-list-drop-proxy {
  border:2px dotted #eee;
}

.create-palette-new-color {
  border:2px dotted gold;

  border-radius: 2px;
  line-height: 40px;
  text-align: center;
  font-size: 20px;
  color: gold;
}

.create-palette-color.selected {
  border:2px solid gold;
}

.create-palette-remove-color {
  position: absolute;
  top: 0;
  right: 0;
  padding: 2px 4px 0 0;
  opacity : 0.2;

  font-weight: bold;
  color: rgb(255,255,255);
  text-shadow : 0 0 1px rgb(0,0,0);

  transition : opacity 0.3s, color 0.1s;
}

.light-color .create-palette-remove-color {
  color: rgb(0,0,0);
  text-shadow : 0 0 1px rgb(255,255,255);
}

.selected .create-palette-remove-color {
  top: -1px;
  right: -1px;
}

.create-palette-color:hover .create-palette-remove-color {
  opacity: 0.6;
}

.create-palette-color .create-palette-remove-color:hover {
  opacity: 1;
  color: rgb(240,80,80);
  text-shadow : 0 0 1px rgb(0,0,0);
}

/*SPECTRUM OVERRIDES*/

.create-palette .sp-container{
  background-color: transparent;
  border: none;
  box-shadow : none;
  border-radius:0;
  padding:5px;
}