html, body {
  height: 100%;
}
body {
  margin: 0;
  background-color: #1a1a1a;
}

canvas {
  display: block;
}

#sketch_container {
  height: 100%;
  padding: 0;
  margin: 0;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  align-items: center;
  justify-content: center;
}
#footerContainer{
  position: fixed;
  top: calc(100% - 50px);
  display: block;
  width: 100%;
  height: 260px;
  transition-property: all;
	transition-duration: .5s;
	transition-timing-function: cubic-bezier(0, 1, 0.5, 1);
}

#footerContainer:hover {
  top: calc(100% - 260px);
}

#footerContainer:hover > .material-icons.md-48 {
  transform: rotate(180deg);
}

#controlContainer {
  position: relative;
  display: block;
  width: 100%;
  height: 250px;
  background-color: rgba(30, 30, 30, .7);
  opacity: 1;
}

.modal-dialog {
  max-width: 880px !important;
}

.material-icons.md-48 { 
  position: relative;
  display: block;
  color: #ffffff;
  font-size: 68px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  opacity: 1;
  transition-property: all;
  transition-duration: .5s;
}

.material-icons.md-40 { 
  position: fixed;
  display: block;
  color: #ffffff;
  font-size: 40px;
  text-align: center;
  right: 5px;
  top: 5px;
  cursor: pointer;
}

.material-icons.md-36 { 
  position: relative;
  display: block;
  font-size: 28px;
}

.btn {
  display: block;
  margin: 2px auto;
  background-color: #f0d722;
}

.active {
  background-color: #40ff40 !important;
  border-color: #40ff40 !important;
}

.col-sm {
  margin: 10px;
  text-align: center;
}

h3 {
  color: #fff;
  text-align: center;
}

.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 15px;
  border-radius: 5px;
  background: #d3d3d3;
  outline: none;
  opacity: 0.9;
  -webkit-transition: .2s;
  transition: opacity .2s;
}

.slider:hover {
  opacity: 1;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #f0d722;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #f0d722;
  cursor: pointer;
}