IE7 horizontal navbar

/*this stylesheet is for you navigation panel*/
 
#navigator {
 
}
 
.housebutton {
line-height: 90%;
}
 
.housebutton a {
font-size: 89%;
font-family: Arial, Verdana, sans-serif;
}
 
.housebutton a:hover {
font-size: 89%;
font-family: Arial, Verdana, sans-serif;
}
 
 
/* this part below is for the color on the background, surrounding the buttons. Change the color, and the 
border, if you like. For the border, you can use solid, dashed, or dotted*/
 
#navigator {
 
background-color: transparent;
 
border:  transparent;
 
 
width: auto;
 
margin-top: auto;
 
margin-left: 3px;
 
margin-right: auto;
 
padding: 2px;
 
text-align: center;
 
 
}
 
/* want more space between your buttons? just increase the margins
from 1px. Font weight can be bold if you prefer.*/
 
.housebutton {
 
letter-spacing: 1px; 
font-weight: bold;
text-align: left;
margin-bottom: 0px;
margin-top: 0px;
}
 
 
/* this part is for the colors of your buttons "at rest" so to speak.*/
 
 
 
 
.housebutton a {
 
height: 14px;
padding: 4px;
 
text-decoration: none;
 
display: block;
 
color: #940a0a;  /*this is where you change the button font color stary kolor 3e5a11*/
 
background-color: transparent;
 
border-top: none;
 
border-left: none;
 
border-bottom: 2px solid #f6a40a;
 
border-right: none;
 
}
 
/*this part is how the buttons look, once the pointer passes over them. */
 
 
 
 
.housebutton a:hover {
 
color: #ffffff; /*-----this is where you change the button font color, when the button is hovered over*/
 
background-color: #fea520;
 
border-top:  none;
 
border-left: none;
 
border-bottom:  none;
 
border-right: none;
 
}
 
/*horizontal nav*/
#nav ul 
{ float: left; 
list-style: none; 
background: #000000; 
width: 100%; 
padding: 0; 
margin: 0 0 0 0px; 
height: 32px; 
display: inline; 
text-transform: none;
text-align: center;
} 
#nav ul li 
{ 
display: inline; 
margin: 0; 
padding: 0; } 
#nav ul li a { display: inline; 
float: center; 
width: auto; 
margin: 0; 
padding: 0 20px; 
border-top: 2px solid #ffffff; 
/*border-right: 1px solid #ffffff; */
/*border-left: 1px solid #ffffff; */
border-bottom: 1px solid #000000; 
color: #ffffff; 
font: bold 12px/52px Arial, Geneva, sans-serif; 
text-transform: none; 
text-decoration: none; 
letter-spacing: 1px; 
} 
#nav ul li a:hover, 
#nav ul li a:active 
{ 
color: #fff; 
background-color: #fba50f; 
font: bold; } 
/*horizontal nav*/