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.