*, *:before, *:after {
  box-sizing: border-box;
}

body {
  font-family: arial, sans-serif;
  font-size: 16px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  cursor: default;
}

canvas {
  position: absolute;
margin:0px auto;
  border: 1px solid black;
  z-index: 1;
  width: 800px;
  height: 550px;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0
}
li {
  padding: 10px 0;
}

a {
  text-decoration: none;
  color: inherit;
}

.wrapper {
  width: 800px; height: 550px;
  position:relative;
 margin:0px auto;
}

#menu {
  position: absolute;
  width: 800px; height: 550px;
  border: 1px solid black;
  z-index: 2;
  text-align: center;
  background-color: grey;
}
#menu.main {
  background-image: url('imgs/menu-bg.jpg');
}
#menu.credits {
  background-image: url('imgs/credits-bg.jpg');
}
#menu.credits-1 {
  background-image: url('imgs/credits-bg.jpg');
}
#progress {
  height: 12%;
  margin: auto;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
}
#percent {
  color: white;
  font-weight: bold;
  text-shadow: -1px -1px 0 #000, 1px -1px 0 #000, -1px 1px 0 #000, 1px 1px 0 #000;
}
#progress-bar {
  width: 200px;
}

.sound {
  display: none;
  position: absolute;
  top: 10px;
  left: 10px;
  width: 30px;
  height: 25px;
  cursor: pointer;
  z-index: 3;
}
.sound-on {
  background-image: url('imgs/soundOn.png');
  background-repeat: no-repeat;
}
.sound-off {
  background-image: url('imgs/soundOff.png');
  background-repeat: no-repeat;
}

#main {
  display: none;
  height: 60%;
  overflow: auto;
  margin: auto;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
}
#main h1 {
  color: black;
}

.button {
  display: block;
  width: 150px;
  margin: 0 auto;
  height: 30px;
  line-height: 30px;
  border: 1px solid #FFF;
  color: BLACK;
  font-weight: bold;
  background-color: #FFF;
  border-radius: 5px;
}

.button:hover {
  background-color: #CCC;
}

#credits {
	text-align:left;
  display: none;
  line-height: 30px;
  margin: auto;
  position: absolute;
  top:30px; left: 30px; bottom: 0; right: 30px;
overflow:scroll;  
  
  }
  
#credits-1 {
	text-align:left;
  display: none;
  line-height: 30px;
  margin: auto;
  position: absolute;
  top:30px; left: 30px; bottom: 0; right: 30px;
overflow:scroll;  
  
  }
  
  
  
  
#credits li {
  padding: 5px 0;
}

.artwork, .music, .developer {
}

.artwork {
  color: #000;
}
.music {
  color: #e6e71f;
}
.developer {
  color: #13eb8a;
}

.back, .back:hover {
  margin-top: 10px;
}

#game-over {
  display: none;
  text-align: center;
  padding-top: 92px;
  z-index: 1;
  width: 800px; height: 550px;
  position: absolute;
}