hancelpolanco Kindly check now. Have added this to custom.css file in order to get the result as envisaged :
/* top header module position within container wrapper */
.joms-module--toolbar{margin:0 auto;width:1170px;}
nav#t3-community-toolbar{background:linear-gradient(to bottom, rgba(155,67,217,1) 0%, rgba(123,8,199,1) 9%, rgba(154,60,217,1) 30%, rgba(123,8,199,1) 46%, rgba(74,1,125,1) 76%, rgba(123,8,199,1) 100%);}
Kindly ensure to clear your browser cache if changes dont reflect