samhuri.net/public/Chalk/stylesheets/chalk.css

html {
  background: #000 url(../images/background.jpg) no-repeat;
  -webkit-user-select: none;
}

@media only screen and (orientation:landscape) {
  html {
    background-position-y: -129px;
  }
}

@media only screen and (orientation:portrait) {
  html {
    background-position-x: -128px;
  }
}

body {
  margin: 0;
  padding: 0;
}

#shade {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  z-index: 10;
  visibility: hidden;
  -webkit-transition: visibility 0.5s ease-in-out;
}

#shade div.dim {
  position: absolute;
  top: 0;
  left: 0;
  background: none;
  -webkit-transition: background 0.5s ease-in-out;
}

@media only screen and (orientation:portrait) {
  #shade {
    height: 946px;
  }

  #shade div.dim {
    width: 768px;
    height: 129px;
  }

  #shade div.dim:nth-child(1) {
    top: 0;
  }

  #shade div.dim:nth-child(2) {
    top: 818px;
  }
}

@media only screen and (orientation:landscape) {
  #shade {
    width: 1024px;
  }

  #shade div.dim {
    width: 128px;
    height: 690px;
  }

  #shade div.dim:nth-child(1) {
    left: 0;
  }

  #shade div.dim:nth-child(2) {
    left: 896px;
  }
}

body.shade #shade {
  -webkit-transition: none;
  visibility: visible;
}

body.shade #shade div.dim {
  background: rgba(0, 0, 0, 0.67);
}

body.shade #ledge {
  -webkit-transition-property: opacity, visibility;
  -webkit-transition-duration: 0.5s, 0s;
  -webkit-transition-delay: 0s, 0.5s;
  -webkit-transition-timing-function: ease-in-out;
  opacity: 0;
  visibility: hidden;
}

body.shade #share {
  opacity: 0;
}

#lightswitch {
  display: none;
}

@media only screen and (orientation:landscape) {
  #lightswitch {
    display: block;
    position: absolute;
    top: 336px;
    width: 30px;
    height: 100px;
    z-index: 11;
  }
}

#share {
  position: absolute;
  background: url(../images/chalk-sprites.png) no-repeat 0 -462px;
  width: 49px;
  height: 36px;
  margin: 0;
  padding: 0;
  border: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-transition: opacity 0.5s ease-in-out;
}

#share.active {
  background-position-y: -498px;
}

@media only screen and (orientation:landscape) {
  #share {
    top: 85px;
    left: 935px;
  }
}

@media only screen and (orientation:portrait) {
  #share {
    top: 38px;
    left: 706px;
  }
}

#chalkboard {
  position: absolute;
}

#chalkboard,
#canvas,
#output {
  width: 768px;
  height: 690px;
}

@media only screen and (orientation:landscape) {
  #chalkboard {
    top: 0;
    left: 127px;
  }
}

@media only screen and (orientation:portrait) {
  #chalkboard {
    top: 129px;
    left: 0;
  }
}



/* Tools */

#ledge {
  position: absolute;
  background: url(../images/chalk-sprites.png) no-repeat 0 0;
  width: 266px;
  height: 107px;
  margin: 0;
  padding: 0;
  bottom: 20px;
  right: 20px;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-transition: opacity 0.5s ease-in-out;
}

#tools div.tool {
  position: absolute;
  bottom: 30px;
  background-image: url(../images/chalk-sprites.png);
  background-repeat: no-repeat;
  background-position-x: 1px;
}

#targets {
  position: absolute;
  z-index: 5;
  overflow: hidden;
  bottom: 15px;
  height: 62px;
  left: 32px;
  width: 196px;
}

#targets a {
  position: absolute;
  display: block;
  bottom: 0;
  padding: 15px 0;
}

#tools div.chalk {
  width: 110px;
  height: 32px;
}

#tools div.indicator {
  position: absolute;
  opacity: 0;
  background-image: url(../images/chalk-sprites.png);
  background-repeat: no-repeat;
  background-position-y: -230px;
  width: 36px;
  height: 25px;
  bottom: -15px;
  left: 50%;
  margin-left: -18px;
  -webkit-transition: opacity 0.25s ease-in-out;
}

#tools div.tool.active div.indicator {
  opacity: 1;
}

#red_chalk_tool {
  background-position-y: -113px;
  left: 5px;
}

#white_chalk_tool {
  background-position-y: -151px;
  left: 60px;
}

#eraser_tool {
  width: 140px;
  height: 42px;
  background-position-y: -183px;
  left: 110px;
}

#targets a.chalk {
  width: 60px;
  height: 15px;
}

#red_chalk {
  left: 0;
}

#white_chalk {
  left: 55px;
}

#eraser {
  left: 106px;
  height: 30px;
  width: 90px;
}



/* Shade screen */

#share {
  -webkit-transition: opacity 0.5s ease-in-out;
}

#output {
  display: none;
}

body.share #ledge,
body.share #share {
  opacity: 0;
}

body.share #canvas {
  display: none;
}

body.share #output {
  display: block;
}

div.share_container div.close,
div.share_container div.cover {
  -webkit-transition: all 0.5s ease-in-out;
}

div.share_container div.instruction,
div.share_container div.close a {
  -webkit-transition: opacity 0.5s ease-in-out;
  opacity: 0;
}

body.share div.share_container div.instruction,
body.share div.share_container div.close a {
  -webkit-transition: opacity 0.5s 0.5s ease-in-out;
  opacity: 1;
}

@media only screen and (orientation:landscape) {
  div.share_container div.close,
  div.share_container div.cover {
    width: 0;
    height: 690px;
  }
  div.share_container div.close {
    float: right;
  }
  div.share_container div.cover {
    float: left;
  }
}

@media only screen and (orientation:portrait) {
  div.share_container div.close,
  div.share_container div.cover {
    height: 0;
    width: 768px;
  }
  div.share_container div.cover {
    position: absolute;
    bottom: 0;
    left: 0;
  }
}

body.share div.share_container div.close,
body.share div.share_container div.cover {
  background-color: #000;
}

div.share_container div.close a {
  background: url(../images/chalk-sprites.png) no-repeat 0 -260px;
  width: 36px;
  height: 36px;
  margin: 15px 10px 0 0;
  padding: 0;
  float: right;
}

@media only screen and (orientation:landscape) {
  body.share div.share_container { width: 1024px; height: 690px; }
  body.share div.share_container div.close { width: 128px; height: 690px; float: right; }
  body.share div.share_container div.close div.instruction { visibility: hidden; }
  body.share div.share_container div.cover {
    width: 128px;
  }
  body.share div.share_container div.cover div.instruction {
    width: 100px;
    height: 100px;
    background: url(../images/chalk-sprites.png) no-repeat 0 -360px;
    margin: 250px 0 0 10px;
  }
}

@media only screen and (orientation:portrait) {
  body.share div.share_container { width: 768px; height: 946px; }
  body.share div.share_container div.close { height: 130px; }
  body.share div.share_container div.close div.instruction {
    position: absolute;
    top: 40px;
    left: 120px;
    width: 502px;
    height: 68px;
    background: url(../images/chalk-sprites.png) no-repeat 0 -297px;
  }
  body.share div.share_container div.cover { height: 129px; }
  body.share div.share_container div.cover div.instruction { visibility: hidden; }
}