This html file generates a shape of a circle using a maximum of 7 div elements. To do this a function for calculating the width of a circle at a certain height is used.
'radius' - Defines the radius of the circle shape.
'elemHeight' - Defines the height of the div elements.
'distance' - Defines the distance between each of the div elements. Please considere when calculating the distance between the div delements the height of the div elements will be ignored.
'offset' - Defines the offset of the first div element from the top.