style.css

* {
	padding: 0; 
	margin: 0; 
}
html, body {
	background: #dddddd;
	width: 100%;
	height: 100%;
}
canvas { 
	background: #dddddd; 
	margin: 0 auto; 
	float: left;
}
div {
	white-space: nowrap;
}
button {
	padding: 2px 20px;
	margin-left: 3px;
	margin-right: 3px;
	margin-top: 40px;
	border-radius: 8px;
	background: #ededed;
}
span {
	font-size: 13pt;
}
.header-container {
	margin-left: 5%;
	margin-right: 5%;
	width: 40%;
	font-size: 13pt;
	float: left;
}

.slider {
	-webkit-appearance: none;
	background-color: #909090;
	height: 2px;
	width: 40%;
	margin-left: 5%;
	margin-right: 5%;
	margin-top: 2%;
	margin-bottom: 2%;
	outline: none;
}
#ui-container {
	width: 50%;
	height: 50%;
	float: left;
}
#sim-container {
	float: right;
	width: 48%;
	height: 100%;
	position: relative;
}

.tooltip {
	position: relative;
	display: inline-block;
  }

  .tooltip .tooltiptext {
	visibility: hidden;
	background-color: #555555;
	color: #ffffff;
	text-align: center;
	border-radius: 6px;
	padding: 5px 0;
	position: absolute;
	z-index: 1;
	opacity: 0;
	transition: opacity 0.3s;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 11pt;
	font-style: italic;
	top: -5px;
  	left: 105%;
  }
  
  .tooltip:hover .tooltiptext {
	visibility: visible;
	opacity: 1;
  }
  
  #pause-button {
	  border-style: inset;
	  background: #dbdbdb;
  }