Final Grade Calculator Design not consistent.

[cadesalaberry]

• [x] Final line should be on top not to interfere with the add button.
• :x: It seems more intuitive to have the name of the grade on the far right, and the weights on the left

Here is how we could get rid of the big blue button:

• :x: replace it with a new line with the names of the fields in there Pressing enter makes you go to the next field

[timotheeguerin]

• [x] Final line should be on top not to interfere with the add button.
• [x] name larger, grade, weigth smaller