Spry Menu Appears different in IE8 and IE7

Question

All,
As most of the people who post on this site I am new to Dreamweaver CS4.  I think I've done a pretty good job and programming my site and my skills will only get better with time.  However I am having one issue that I have wrestled with all day.  The site I am creating is located at http://www.greenehazel.com/beta.   The spry menu looks fine if I access it with IE8, but when I access it in IE7 some of the rows appear on top of other rows etc.   I have fiddled with the CSS on this for most of the day and can't figure out why this is occuring.  I have attached the CSS below.   What am I doing wrong?  Any help is greatly appreciated in advance.
@charset "UTF-8"; /* SpryMenuBarHorizontal.css - version 0.6 - Spry Pre-Release 1.6.1 */ /* Copyright (c) 2006. Adobe Systems Incorporated. All rights reserved. */ /******************************************************************************* LAYOUT INFORMATION: describes box model, positioning, z-order *******************************************************************************/ /* The outermost container of the Menu Bar, an auto width box with no margin or padding */ ul.MenuBarHorizontal { margin: 0; list-style-type: none; font-size: 100%; cursor: default; width: auto; padding: 0; padding-top: 5px; text-align: center; } /* Set the active Menu Bar with this class, currently setting z-index to accomodate IE rendering bug: http://therealcrisp.xs4all.nl/meuk/IE-zindexbug.html */ ul.MenuBarActive { z-index: 1000; } /* Menu item containers, position children relative to this container and are a fixed width */ ul.MenuBarHorizontal li { margin: 0; padding: 0; list-style-type: none; font-size: 100%; position: relative; text-align: left; cursor: pointer; width: 8em; float: left; } /* Submenus should appear below their parent (top: 0) with a higher z-index, but they are initially off the left side of the screen (-1000em) */ ul.MenuBarHorizontal ul { margin: 0; padding: 0; list-style-type: none; font-size: 100%; z-index: 1020; cursor: default; width: 8.2em; position: absolute; left: -1000em; } /* Submenu that is showing with class designation MenuBarSubmenuVisible, we set left to auto so it comes onto the screen below its parent menu item */ ul.MenuBarHorizontal ul.MenuBarSubmenuVisible { left: auto; background-color: #000; border-color: #999; } /* Menu item containers are same fixed width as parent */ ul.MenuBarHorizontal ul li { width: auto; } /* Submenus should appear slightly overlapping to the right (95%) and up (-5%) */ ul.MenuBarHorizontal ul ul { position: absolute; margin: -5% 0 0 95%; } /* Submenu that is showing with class designation MenuBarSubmenuVisible, we set left to 0 so it comes onto the screen */ ul.MenuBarHorizontal ul.MenuBarSubmenuVisible ul.MenuBarSubmenuVisible { left: auto; top: 0px; background-color: #000; } /******************************************************************************* DESIGN INFORMATION: describes color scheme, borders, fonts *******************************************************************************/ /* Submenu containers have borders on all sides */ ul.MenuBarHorizontal ul { border: 1px solid #CCC; } /* Menu items are a light gray block with padding and no text decoration */ ul.MenuBarHorizontal a { display: block; cursor: pointer; background-color: #000; color: #FFF; text-decoration: none; text-align: center; } /* Menu items that have mouse over or focus have a blue background and white text */ ul.MenuBarHorizontal a:hover, ul.MenuBarHorizontal a:focus { background-color: #000; color: #00F; width: auto; text-align: center; } /* Menu items that are open with submenus are set to MenuBarItemHover with a blue background and white text */ ul.MenuBarHorizontal a.MenuBarItemHover, ul.MenuBarHorizontal a.MenuBarItemSubmenuHover, ul.MenuBarHorizontal a.MenuBarSubmenuVisible { background-color: #33C; color: #FFF; text-align: center; } /******************************************************************************* SUBMENU INDICATION: styles if there is a submenu under a given menu item *******************************************************************************/ /* Menu items that have a submenu have the class designation MenuBarItemSubmenu and are set to use a background image positioned on the far left (95%) and centered vertically (50%) */ ul.MenuBarHorizontal a.MenuBarItemSubmenu { background-image: url(SpryMenuBarDown.gif); background-repeat: no-repeat; background-position: 95% 50%; } /* Menu items that have a submenu have the class designation MenuBarItemSubmenu and are set to use a background image positioned on the far left (95%) and centered vertically (50%) */ ul.MenuBarHorizontal ul a.MenuBarItemSubmenu { background-image: url(SpryMenuBarRight.gif); background-repeat: no-repeat; background-position: 95% 50%; } /* Menu items that are open with submenus have the class designation MenuBarItemSubmenuHover and are set to use a "hover" background image positioned on the far left (95%) and centered vertically (50%) */ ul.MenuBarHorizontal a.MenuBarItemSubmenuHover { background-image: url(SpryMenuBarDownHover.gif); background-repeat: no-repeat; background-position: 95% 50%; } /* Menu items that are open with submenus have the class designation MenuBarItemSubmenuHover and are set to use a "hover" background image positioned on the far left (95%) and centered vertically (50%) */ ul.MenuBarHorizontal ul a.MenuBarItemSubmenuHover { background-image: url(SpryMenuBarRightHover.gif); background-repeat: no-repeat; background-position: 95% 50%; } /******************************************************************************* BROWSER HACKS: the hacks below should not be changed unless you are an expert *******************************************************************************/ /* HACK FOR IE: to make sure the sub menus show above form controls, we underlay each submenu with an iframe */ ul.MenuBarHorizontal iframe { position: absolute; z-index: 1010; filter:alpha(opacity:0.1); } /* HACK FOR IE: to stabilize appearance of menu items; the slash in float is to keep IE 5.0 from parsing */ @media screen, projection { ul.MenuBarHorizontal li.MenuBarItemIE {   display: inline;   f\loat: left;   background: #FFF; } }

Answer 1

@charset "UTF-8";
/* SpryMenuBarHorizontal.css - version 0.6 - Spry Pre-Release 1.6.1 */
/* Copyright (c) 2006. Adobe Systems Incorporated. All rights reserved. */
LAYOUT INFORMATION: describes box model, positioning, z-order
/* The outermost container of the Menu Bar, an auto width box with no margin or padding */
ul.MenuBarHorizontal
margin: 0;
list-style-type: none;
font-size: 100%;
cursor: default;
width: auto;
padding: 0;
padding-top: 5px;
text-align: center;
/* Set the active Menu Bar with this class, currently setting z-index to accomodate IE rendering bug: http://therealcrisp.xs4all.nl/meuk/IE-zindexbug.html */
ul.MenuBarActive
z-index: 1000;
/* Menu item containers, position children relative to this container and are a fixed width */
ul.MenuBarHorizontal li
margin: 0;
padding: 0;
list-style-type: none;
font-size: 100%;
position: relative;
text-align: left;
cursor: pointer;
width: 8em;
float: left;
/* Submenus should appear below their parent (top: 0) with a higher z-index, but they are initially off the left side of the screen (-1000em) */
ul.MenuBarHorizontal ul
margin: 0;
padding: 0;
list-style-type: none;
font-size: 100%;
z-index: 1020;
cursor: default;
width: 8.2em;
position: absolute;
left: -1000em;
/* Submenu that is showing with class designation MenuBarSubmenuVisible, we set left to auto so it comes onto the screen below its parent menu item */
ul.MenuBarHorizontal ul.MenuBarSubmenuVisible
left: auto;
background-color: #000;
border-color: #999;
/* Menu item containers are same fixed width as parent */
ul.MenuBarHorizontal ul li
width: auto;
/* Submenus should appear slightly overlapping to the right (95%) and up (-5%) */
ul.MenuBarHorizontal ul ul
position: absolute;
margin: -5% 0 0 95%;
/* Submenu that is showing with class designation MenuBarSubmenuVisible, we set left to 0 so it comes onto the screen */
ul.MenuBarHorizontal ul.MenuBarSubmenuVisible ul.MenuBarSubmenuVisible
left: auto;
top: 0px;
background-color: #000;
DESIGN INFORMATION: describes color scheme, borders, fonts
/* Submenu containers have borders on all sides */
ul.MenuBarHorizontal ul
border: 1px solid #CCC;
/* Menu items are a light gray block with padding and no text decoration */
ul.MenuBarHorizontal a
display: block;
cursor: pointer;
background-color: #000;
color: #FFF;
text-decoration: none;
text-align: center;
/* Menu items that have mouse over or focus have a blue background and white text */
ul.MenuBarHorizontal a:hover, ul.MenuBarHorizontal a:focus
background-color: #000;
color: #00F;
width: auto;
text-align: center;
/* Menu items that are open with submenus are set to MenuBarItemHover with a blue background and white text */
ul.MenuBarHorizontal a.MenuBarItemHover, ul.MenuBarHorizontal a.MenuBarItemSubmenuHover, ul.MenuBarHorizontal a.MenuBarSubmenuVisible
background-color: #33C;
color: #FFF;
text-align: center;
SUBMENU INDICATION: styles if there is a submenu under a given menu item
/* Menu items that have a submenu have the class designation MenuBarItemSubmenu and are set to use a background image positioned on the far left (95%) and centered vertically (50%) */
ul.MenuBarHorizontal a.MenuBarItemSubmenu
background-image: url(SpryMenuBarDown.gif);
background-repeat: no-repeat;
background-position: 95% 50%;
/* Menu items that have a submenu have the class designation MenuBarItemSubmenu and are set to use a background image positioned on the far left (95%) and centered vertically (50%) */
ul.MenuBarHorizontal ul a.MenuBarItemSubmenu
background-image: url(SpryMenuBarRight.gif);
background-repeat: no-repeat;
background-position: 95% 50%;
/* Menu items that are open with submenus have the class designation MenuBarItemSubmenuHover and are set to use a "hover" background image positioned on the far left (95%) and centered vertically (50%) */
ul.MenuBarHorizontal a.MenuBarItemSubmenuHover
background-image: url(SpryMenuBarDownHover.gif);
background-repeat: no-repeat;
background-position: 95% 50%;
/* Menu items that are open with submenus have the class designation MenuBarItemSubmenuHover and are set to use a "hover" background image positioned on the far left (95%) and centered vertically (50%) */
ul.MenuBarHorizontal ul a.MenuBarItemSubmenuHover
background-image: url(SpryMenuBarRightHover.gif);
background-repeat: no-repeat;
background-position: 95% 50%;
BROWSER HACKS: the hacks below should not be changed unless you are an expert
/* HACK FOR IE: to make sure the sub menus show above form controls, we underlay each submenu with an iframe */
ul.MenuBarHorizontal iframe
position: absolute;
z-index: 1010;
filter:alpha(opacity:0.1);
/* HACK FOR IE: to stabilize appearance of menu items; the slash in float is to keep IE 5.0 from parsing */
@media screen, projection
ul.MenuBarHorizontal li.MenuBarItemIE
  display: inline;
  f\loat: left;
  background: #FFF;