html{
  height:100%;
}
body{
  overflow: hidden;
  height:100%;
  min-width: 400px;
  margin:0;
  background: rgb(220,220,220);
}
canvas{
  outline: thin solid rgb(220,220,220);
}

.footer{
  position: absolute;
  overflow: hidden;
  min-width: 600px;
  left: 0; right: 0; bottom: 0;
  height: 2em;
  padding: 0.5em;
  background: rgb(42,46,50);
  vertical-align: middle;
  z-index: 1;
  cursor: default;
  
  -webkit-user-select: none;  /* Chrome all / Safari all */
  -moz-user-select: none;     /* Firefox all */
  -ms-user-select: none;      /* IE 10+ */

  /* No support for these yet, use at own risk */
  -o-user-select: none;
  user-select: none; 
}

.btn{
  display: inline-block;
  position: relative;
  margin: 0 auto;
  height: 2em;   
  
  cursor: pointer;  
  
  color: white;
  text-align: center;
  font: 600 1em 'Open Sans', sans-serif;  
  line-height: 2em;
}
.btn-selected{ outline: 0.25em solid rgb(64,160,192); }
.btn-inactive{ cursor: default; }

.btn-med{
  width: 8em;
}
.btn-sm{
  width: 6em;
}
.btn-sq{
  width: 2em;
}

.btn-blue{
  border: thin solid rgb(80,172,204);
  background: rgb(64,160,192);
}
.btn-blue:hover{
  border: thin solid rgb(96,188,220);
  background: rgb(80,176,208);
}
.btn-blue:active{
  color: rgb(240,240,240);
  border: thin solid rgb(72,164,196);
  background: rgb(56,152,184);
}
.btn-blue.btn-select{
  cursor: default;
  color: rgb(255,255,255);
  border: thin solid rgb(40,82,100);
  background: rgb(36,76,92);
}

.btn-grey{
  border: thin solid rgb(176,176,176);
  background: rgb(168,168,168);
}
.btn-grey:hover{
  border: thin solid rgb(192,192,192);
  background: rgb(184,184,184);
}
.btn-grey:active{
  color: rgb(240,240,240);
  border: thin solid rgb(168,168,168);
  background: rgb(160,160,160);
}
.btn-grey.btn-inactive{
  color: rgb(128,128,128);
  border: thin solid rgb(88,88,88);
  background: rgb(80,80,80);
}

.spacer-1,.spacer-2,.spacer-3,.spacer-4,.spacer-12{ cursor: default; }
.spacer-1{ width: 0.5em; }
.spacer-2{ width: 1em; }
.spacer-3{ width: 1.5em; }
.spacer-4{ width: 2em; }
.spacer-6{ width: 3em; }
.spacer-8{ width: 4em; }

.right{float:right};