html - How can I remove this button?CSS -

i working on following site:

link

i have put clearer picture understand want remove.

http://i57.tinypic.com/344biah.jpg

how can remove particular button?

i have tried following code button disappears.

.products-grid .button-container { display:none; } 

if use code, button disappears along "add cart" button. want have circled in picture.

thanks in advance!

this 1 should work:

.products-grid .regular .button-container {     display:none; }