How to add border on table cells, but not the whole table on html?
<p>I'm trying to add a border on table cells but I cannot figure out how to do it with rowspan.</p>

<p>I want a table that has 4 cells
1 big cell on the left and 3 small cells on the right of the big one.</p>

<p>Here's the code I used</p>

<p>jsfiddle[dot]net/1fv4dz5g/3/</p>