Newbie here, Menu width for drop down not working

#menu_top {
background:#666;
height:50px;
list-style:none;
margin:0;
padding:0 0 10px 0;
-webkit-border-radius: 15px;
-moz-border-radius: 15px;
border-radius: 15px;
        -webkit-box-shadow: inset 0px 16px 0px 0px rgba(255, 255, 255, .1);
-moz-box-shadow: inset 0px 16px 0px 0px rgba(255, 255, 255, .1);
box-shadow: inset 0px 16px 0px 0px rgba(255, 255, 255, .1);
}

#menu_top li {
float:left;
padding:0px 0px 0px 15px;

}

#menu_top li a {
color:#fff;
display:block;
font-weight:normal;
line-height:50px;
margin:0px;
padding:0px 25px;
text-align:center;
text-decoration:none;
}

#menu_top li a:hover {
background:#333;
color:#Ff6633;
text-decoration:none;
-webkit-box-shadow: inset 0px 0px 7px 2px rgba(0, 0, 0, .3);
-moz-box-shadow: inset 0px 0px 7px 2px rgba(0, 0, 0, .3);
box-shadow: inset 0px 0px 7px 2px rgba(0, 0, 0, .3);
}

#menu_top ul.uMenu li:hover a{
background:#333;
color:#FFFFFF;
text-decoration:none;
}

#menu_top li ul.uMenu a{
display:block;
height:30px;
font-size:14px;
font-style:normal;
margin:0px;
padding:0px 10px 0px 15px;
text-align:left;
}


/* -- Drop Down Menu Styles -- */
/* ALL MENUS (I.E. ROOT) */

#menu_top ul.uMenu.uMenuHorizontal {
	height: 50px; /* EDIT: Height of the horizontal root menu bar */
}
#menu_top ul.uMenu.uMenuVertical {
	width: 250px; /* EDIT: Width of the vertical root menu bar */
}
/* ALL MENU ITEMS (I.E. ROOT ITEMS) */
#menu_top ul.uMenu li {
	position: relative;
	margin: 0px;
	padding: 0 0 0 10px;
}
#menu_top ul.uMenu.uMenuHorizontal li {
	display: inline-block;
	display: inline; /*IE FIX*/
	height: 50px;
}

/* ALL MENU ITEM LINKS (I.E. ROOT ITEM LINKS) */
#menu_top ul.uMenu li a:link,
#menu_top ul.uMenu li a:active,
#menu_top ul.uMenu li a:visited,
#menu_top ul.uMenu li a:hover {
        padding:0px 8px; /* EDIT: Padding between text and clickable menu item edge */
	margin:0px; /* EDIT: Margin around the clickable menu item area */
	/* border:1px solid #000000; *//* EDIT: Border on the of the clickable menu item area */
	
	text-decoration:none; /* EDIT: Remove underlines from menu item text */
	overflow:hidden;
	font-size: 14px; /* EDIT: Set font size for menu items */
	line-height:50px; /* EDIT: Set line height for menu items. This should match the menu bar height */
	font-weight:bold; /* EDIT: Set font weight for menu items */
	height: 50px;
}
#menu_top ul.uMenu.uMenuHorizontal li a:link,
#menu_top ul.uMenu.uMenuHorizontal li a:active,
#menu_top ul.uMenu.uMenuHorizontal li a:visited,
#menu_top ul.uMenu.uMenuHorizontal li a:hover {
	display: inline-block;
}
#menu_top ul.uMenu.uMenuVertical li a:link,
#menu_top ul.uMenu.uMenuVertical li a:active,
#menu_top ul.uMenu.uMenuVertical li a:visited,
#menu_top ul.uMenu.uMenuVertical li a:hover {
	display: block;
}
#menu_top ul.uMenu li:hover > a:link,
#menu_top ul.uMenu li:hover > a:active,
#menu_top ul.uMenu li:hover > a:visited,
#menu_top ul.uMenu li a:hover {
	color: #ff6633; /* EDIT: Color of menu item text on mouse hover */
	
}
/* NESTED MENUS */
#menu_top ul.uMenu li ul {
	display: none;
	width: 250px;
	margin: 0px;
	padding: 0px;
	position: absolute;
	top: 50px;
	height: auto;
}
#menu_top ul.uMenu.uMenuHorizontal li ul {
	left: 0px; /* EDIT: Use this to compensate for sub-menu horizontal alignment (e.g. to align with borders) */
	/* right: -3px; */ /* EDIT: Position based on right side if a right aligned menu */
}
#menu_top ul.uMenu.uMenuVertical li ul {
	top: 0px;
	left: 100%;
}
#menu_top ul.uMenu li ul,
#menu_top ul.uMenu li:hover ul li ul,
#menu_top ul.uMenu li ul li:hover ul li ul {
	display: none;
}
#menu_top ul.uMenu li:hover ul,
#menu_top ul.uMenu li ul li:hover ul,
#menu_top ul.uMenu li ul li ul li:hover ul {
	display: block;
}
/* NESTED MENU ITEMS */
#menu_top ul.uMenu li ul li {
	position: relative;
	height: 30px !important;
}
#menu_top ul.uMenu.uMenuHorizontal li ul li {
	display: block;
}
#menu_top ul.uMenu.uMenuVertical li ul li {
	display: block;
}
/* NESTED MENU ITEM LINKS */
#menu_top ul.uMenu li ul li a:link,
#menu_top ul.uMenu li ul li a:active,
#menu_top ul.uMenu li ul li a:visited,
#menu_top ul.uMenu li ul li a:hover {
  padding:0px 12px; /* EDIT: Padding between text and clickable menu item edge */
	height: 30px !important; /* EDIT: HEIGHT OF SUB-MENU ITEMS */
	line-height:30px; /* EDIT: This should match the line above*/
	background-color:#666666; /* EDIT: Sub Menu Background color*/
}
#menu_top ul.uMenu.uMenuHorizontal li ul li a:link,
#menu_top ul.uMenu.uMenuHorizontal li ul li a:active,
#menu_top ul.uMenu.uMenuHorizontal li ul li a:visited,
#menu_top ul.uMenu.uMenuHorizontal li ul li a:hover {
	display: block;
}

/* THIRD LEVEL AND BEYOND MENUS */
#menu_top ul.uMenu li:hover ul li ul {
	top: 0px;
	left: 100%;
}