I dont know how to change the color of Menu buttons? Plz help

This is the code for 3 menu buttons that are in different colors. Name of the theme is GameZone, (site is offline at the moment) and I want to change the color to be the same for all buttons but don’t know how.

I tried changing color codes after “.inner {” to be the same but didn’t work.

#mainmenu li, #mainmenu li .inner {
		background: rgb(203,38,38); /* Old browsers */
		background: -moz-linear-gradient(top,  rgba(203,38,38,1) 0%, rgba(166,0,0,1) 100%); /* FF3.6+ */
		background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(203,38,38,1)), color-stop(100%,rgba(166,0,0,1))); /* Chrome,Safari4+ */
		background: -webkit-linear-gradient(top,  rgba(203,38,38,1) 0%,rgba(166,0,0,1) 100%); /* Chrome10+,Safari5.1+ */
		background: -o-linear-gradient(top,  rgba(203,38,38,1) 0%,rgba(166,0,0,1) 100%); /* Opera 11.10+ */
		background: -ms-linear-gradient(top,  rgba(203,38,38,1) 0%,rgba(166,0,0,1) 100%); /* IE10+ */
		background: linear-gradient(to bottom,  rgba(203,38,38,1) 0%,rgba(166,0,0,1) 100%); /* W3C */
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#cb2626', endColorstr='#a60000',GradientType=0 ); /* IE6-9 */
	}
	#mainmenu li:nth-child(2n),#mainmenu li:nth-child(2n) .inner {
		background: rgb(186,79,153); /* Old browsers */
		background: -moz-linear-gradient(top,  rgba(186,79,153,1) 0%, rgba(149,41,115,1) 100%); /* FF3.6+ */
		background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(186,79,153,1)), color-stop(100%,rgba(149,41,115,1))); /* Chrome,Safari4+ */
		background: -webkit-linear-gradient(top,  rgba(186,79,153,1) 0%,rgba(149,41,115,1) 100%); /* Chrome10+,Safari5.1+ */
		background: -o-linear-gradient(top,  rgba(186,79,153,1) 0%,rgba(149,41,115,1) 100%); /* Opera 11.10+ */
		background: -ms-linear-gradient(top,  rgba(186,79,153,1) 0%,rgba(149,41,115,1) 100%); /* IE10+ */
		background: linear-gradient(to bottom,  rgba(186,79,153,1) 0%,rgba(149,41,115,1) 100%); /* W3C */
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ba4f99', endColorstr='#952973',GradientType=0 ); /* IE6-9 */
	}
	#mainmenu li:nth-child(3n), #mainmenu li:nth-child(3n) .inner {
		background: rgb(38,184,239); /* Old browsers */
		background: -moz-linear-gradient(top,  rgba(38,184,239,1) 0%, rgba(0,147,201,1) 100%); /* FF3.6+ */
		background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(38,184,239,1)), color-stop(100%,rgba(0,147,201,1))); /* Chrome,Safari4+ */
		background: -webkit-linear-gradient(top,  rgba(38,184,239,1) 0%,rgba(0,147,201,1) 100%); /* Chrome10+,Safari5.1+ */
		background: -o-linear-gradient(top,  rgba(38,184,239,1) 0%,rgba(0,147,201,1) 100%); /* Opera 11.10+ */
		background: -ms-linear-gradient(top,  rgba(38,184,239,1) 0%,rgba(0,147,201,1) 100%); /* IE10+ */
		background: linear-gradient(to bottom,  rgba(38,184,239,1) 0%,rgba(0,147,201,1) 100%); /* W3C */
		filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#26b8ef', endColorstr='#0093c9',GradientType=0 ); /* IE6-9 */