easy loops

You are to create a loop built inside of a table that will convert miles to kilometers. The table conversion list is to begin at 1 and continue through 75. The background of each row is to have have an alternating color. 

tr:nth-child(odd) {
background-color: #f0f;
}

(Look up This is not intended to be a rainbow. The final result must have appropriate column headings.

The page background must be colored and it is desired that the text within the cells must also be colored (hint: in-line CSS). The font size must be at least 1 and a half times larger than the default font. The page must be laid out in an aesthetic fashion.

I have some done