piskel/css/style.css

body {
  background: -webkit-radial-gradient(circle, #000, #373737);
}

/**
 * Application layout
 */

.column-wrapper {
  text-align: center;
  font-size: 0;
  position: absolute;
  left: 104px;
  top: 10px;
  right: 0;
  bottom: 10px;
}

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

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

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

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

.sticky-section {
  display: table;
  height: 100%;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 140px;
}

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


/**
 * Canvases layout
 */

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

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

.canvas-container .canvas-background {
  background: url(../img/canvas_background.png) repeat;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.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;
}

.application-actions {
  margin-top: 35px;
}

/** 
 * User messages 
 */
.user-message {
    position: absolute;
    bottom: 0;
    left: 25%;
    background-color: #F9EDBE;
    padding: 4px 12px;
    padding-right: 20px;
    border-top-left-radius: 7px;
    border-top-right-radius: 7px;
    border-right: 0;
    color: #222;
    border: #F0C36D 1px solid;
    font-weight: bold;
    font-size: 13px; 
    z-index: 10000;
}

.user-message .close {
  position: absolute;
  top: 0px;
  right: 5px;
  color: gray;
  font-weight: bold;
  cursor: pointer;
  font-size: 18px;
}

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