CSS table layout: why does table-row not accept a margin?

Answer 1

Fiddle

 .row-seperator{
   border-top: solid transparent 50px;
 }


   
Section 1
   
row1 1
   
row1 2
   

      
Section 2
   
   
row2 1
   
row2 2



#Outline
Section 1
row1 1
row1 2


Section 2
row2 1
row2 2

this can be another solution