librandi Try change the CSS below in custom.css file around line 68 by commenting out specific CSS declaration as outlined below:
.t3-header {
padding-top: 12px;
padding-bottom: 4px;
/*background: #660000;*/
}
and add this to similar file :
.t3-header .container{background: #660000 !Important;}
Kindly ensure to clear your browser cache if changes dont reflect.