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<html>
<head>
<style>
.link {
fill: none;
stroke-opacity:0.3;
stroke-width: 1.5px;
}
.link:hover{
stroke-opacity:1;
stroke-width:2.7px;
}
.highlight{
stroke-opacity:1;
stroke-width:2.7px;
}
.label{
fill-opacity:.7;
}
.label:hover{
fill-opacity:1;
}
.axis {
stroke: #000;
stroke-width: 1.5px;
}
.ticks{
fill: gray;
}
.circle {
fill-opacity: .7;
}
.d3-tip {
line-height: 1;
font-weight: bold;
padding: 12px;
background: rgba(0, 0, 0, 0.8);
color: #fff;
border-radius: 2px;
}
</style>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script>
<script src="https://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js"></script>
</head>
<body>
<p><font size=15>Iris Flower Data Visualization</font></p>
<p><font size=5>--By Zezhen Qiu</font></p>
<script src="script.js"></script>
</body>
</html>
Modified http://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js to a secure url
https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js
https://labratrevenge.com/d3-tip/javascripts/d3.tip.v0.6.3.js