#boat_data_dial {
	background: url("/boat_data_dial/boat.png");
	background-size: cover;
	height: 400px;
	width: 400px;
	position: relative;
	margin: 0 auto;
}

.dial {
	height: 100%;
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
}
#compassDial {
	background: url("/boat_data_dial/compass.png");
	background-size: cover;
	transition: all .3s ease-in;
}
#trueWindAngleDial {
	background: url("/boat_data_dial/true_wind.png");
	background-size: cover;
	transition: all .3s ease-in;
}
#apparentWindAngleDial {
	background: url("/boat_data_dial/apparent_wind.png");
	background-size: cover;
	transition: all .3s ease-in;
}