.thermometer {
float:right;
width:100px;
height:400px;
border:1px solid grey;
background-color:#eee;
}
.thermometer-stem {
position:relative;
width:40px;
height:320px;
margin:10px auto;
border:3px solid black;
border-radius:20px 20px 0 0;
border-bottom:none;
background-color:white;
z-index:2;
}
.thermometer-fill {
position:relative;
background-color:blue;
}
.thermometer-bulb {
position:relative;
width:60px;
height:60px;
border-radius:50%;
margin:0 auto;
border:3px solid black;
top:-20px;
background-color:blue;
z-index:1;
}