piskel/css/style.css

body {
  background: radial-gradient(circle, #000, #373737);
  /* 16/06/2013 : -webkit still needed for 
  safari, safari mobile and android browser and chrome for android
  cf http://caniuse.com/css-gradients */
  background: -webkit-radial-gradient(circle, #000, #373737);
}

/**
 * Application layout
 */

.main-wrapper {
  position: absolute;
  top: 5px;
  right: 0;
  bottom: 5px;
  left: 0;
}

.column-wrapper {
  text-align: center;
  font-size: 0;
  position: absolute;
  left: 100px; /* Reserve room for tools on the left edge of the screen. */
  top: 0;
  right: 50px; /* Reserve room for actions on the right edge of the screen. */
  bottom: 0;
}

.column {
  display: inline-block;
}

.left-column {
  vertical-align: top;
  height: 100%;
  margin-right: 7px;
}

.main-column {
  height: 100%;
  position: relative;
}

.right-column {
  vertical-align: top;
  margin-left: 10px;
}

.drawing-canvas-container {
  font-size: 0;
}

.sticky-section {
  display: table;
  height: 100%;
  position: fixed;
  top: 0;
  bottom: 0;
  z-index: 1000;
}

.sticky-section .wrap,
.sticky-section .drawer {
  display: table-cell;
  vertical-align: middle;
}

.left-sticky-section.sticky-section {
  left: 0;
  max-width: 100px;
}

.left-sticky-section .tool-icon {
  float: left;
}

.right-sticky-section.sticky-section {
  right: 0;
  width: 50px;

  -webkit-transition: all 200ms ease-out;
  -moz-transition: all 200ms ease-out;
  -ms-transition: all 200ms ease-out;
  transition: all 200ms ease-out;
}

.right-sticky-section .tool-icon {
  float: right;
  margin-right: 0;
}

.drawer {

}

.drawer-content {
  overflow: hidden;
  background-color: #444;
  height: 550px;
  max-height: 100%;
  width: 280px;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}

/** Righty sticky drawer expanded state. */

.right-sticky-section.expanded {
  right: 280px;
}

.right-sticky-section.expanded .tool-icon {
  margin-right: 1px;
}

.right-sticky-section .tool-icon.has-expanded-drawer {
  position: relative;
  background-color: #444;
  margin-right: 0;
  padding-right: 1px;
}

.settings-section {
  margin: 10px 20px;
  font-size: 12px;
  font-weight: bold;
  color: #ccc;
  text-shadow: 1px 1px #000;
}

.settings-title {
  margin-top: 20px;
  margin-bottom: 10px;
  text-transform: uppercase;
  border-bottom: 1px #aaa solid;
  padding-bottom: 5px;
}

.settings-item {}

.background-picker-wrapper {
  overflow: hidden;
  padding: 10px 5px 20px 5px;
}

.background-picker {
  cursor: pointer;
  float: left;
  height: 35px;
  width: 35px;
  background-color: transparent;
  margin-right: 15px;
  padding: 1px;
  position: relative;
}

.background-picker:after {
  content: " ";
  position: absolute;
  top: -2px;
  right: -2px;
  bottom: -2px;
  left: -2px; 
}

.background-picker:hover:after {
  border: #eee 1px solid;
}

.background-picker.selected:after {
  border: gold 1px solid;
}

/**
 * Canvases layout
 */

.canvas {
  position: relative;
  z-index: 1;
}

.canvas-container {
  position: relative;
  display: block;
}

.canvas-container .canvas-background {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.light-picker-background,
.light-canvas-background .canvas-background {
  background: url(../img/canvas_background/light_canvas_background.png) repeat;
}

.medium-picker-background,
.medium-canvas-background .canvas-background {
  background: url(../img/canvas_background/medium_canvas_background.png) repeat;
}

.lowcont-medium-picker-background,
.lowcont-medium-canvas-background .canvas-background {
  background: url(../img/canvas_background/lowcont_medium_canvas_background.png) repeat;
}

.lowcont-dark-picker-background,
.lowcont-dark-canvas-background .canvas-background {
  background: url(../img/canvas_background/lowcont_dark_canvas_background.png) repeat;
}


.canvas.canvas-overlay {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
}


/**
 * Animated preview styles.
 */

.preview-container {
  border : 0px Solid black;
  border-radius:5px 0px 0px 5px;
  box-shadow : 0px 0px 2px rgba(0,0,0,0.2);
  font-size: 0;
}

.preview-container canvas {
  border : 0px Solid transparent;
}

.display-fps {
  float: left;
  color: #aaa;
  font-size: 12px;
  min-width: 55px;
  vertical-align: bottom;
  line-height: 24px;
}

.range-fps {
  overflow: hidden;
}

/** 
 * User messages 
 */
.user-message {
  position: absolute;
  right: 0;
  bottom: 0;
  background-color: #F9EDBE;
  padding: 10px 47px;
  border-top-left-radius: 7px;
  color: #222;
  border: #F0C36D 1px solid;
  border-right: 0;
  border-bottom: 0;
  font-weight: bold;
  font-size: 13px; 
  z-index: 10000;
  max-width: 300px;
}

.user-message .close {
  position: absolute;
  top: 6px;
  right: 17px;
  color: gray;
  font-weight: bold;
  cursor: pointer;
  font-size: 18px;
}

.user-message .close:hover {
  color: black;
}