html, body {
    height: 100%;
  }
  body {
    padding: 8px;
    background-color: black;
	color: #f6f6f6;
    box-sizing: border-box;
  }
  img {
    max-width: 97%;
  }
  img.thumb {
	  max-height: 95%;
  }
  img.icon {
	  max-width: 100%;
	  height: 15px;
  }
  div.icon {
	  display: inline-block;
  }
  div.index {
	  padding: 8px;
	  color: seashell;
  }
  .split {
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
    overflow-y: auto;
    overflow-x: hidden;
  }
  .content {
	overflow: auto;
  }
  .gutter {
    background-color: #F6F6F6;
    background-repeat: no-repeat;
    background-position: 50%;
  }
  .gutter.gutter-horizontal {
    cursor: col-resize;
    background-image: url('../grips/vertical.png');
  }
  .gutter.gutter-vertical {
    cursor: ns-resize;
    background-image: url('../grips/horizontal.png');
  }
  .split.split-horizontal, .gutter.gutter-horizontal {
    height: 100%;
    float: left;
  }
  .centered {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  
  button {
	  display: inline-block;
	  position: relative;
	  height: 20px;
	  line-height: 20px;
	  padding: 0 4px;
	  font-size: 12px;
	  color: seashell;
	  background-color: black;
	  text-decoration: none;
	  text-shadow: 0 -1px rgba(0, 0, 0, 0.3);
	  border: 1px solid seashell;
	  border-radius: 3px;
	  outline: 0;
	  -webkit-box-shadow: 0 2px 1px rgba(0, 0, 0, 0.25);
	  box-shadow: 0 2px 1px rgba(0, 0, 0, 0.25);
	  margin-bottom: 5px;
	}

.button:before, .button:after {
  content: '';
  position: absolute;
}

.button:before {
  top: -5px;
  bottom: -5px;
  left: -5px;
  right: -5px;
  z-index: -1;
  border-radius: 9px;
}

.button:after {
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-bottom: 0;
  border-radius: 7px;
}

.button.alt {
  -webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}