Help with background

paul john palor valencia

can't change the background of avaza.com

i would like to change the background of avaza to dark colors

can someone help me with the codes?

thanks in advance

Animatorium

This specific node and the active tab:
.tab-content.background-area /*THIS BACKGROUND as you asked in the picture*/{
background-color: rgb(36, 56, 74);}

ul#taskTab.nav.nav-tabs.container li.active a /*active tab colors*/{
background-color: rgb(36, 56, 74);
color:white;
border-bottom-color: grey;}

If you need more, ask.