#navBar
{
width: 75%;
height: 75px;
margin-left: 25%;
margin-right: auto;
margin-top: 2%;
border-width: 1px;
border-style: solid;
border-radius: 10px;
border-color: #008040;
overflow: hidden;
}
#subDiv1, #subDiv2, #subDiv3, #subDiv4
{
width: 25%;
height: 75px;
border-width: 1px;
border-color: #000;
border-style: solid;
}
#subDiv1
{
border-top-left-radius: 10px;
border-bottom-left-radius: 10px;
float: left;
margin-left: 0%;
}
#subDiv2
{
float: left;
margin-left: 25%;
}
#subDiv3
{
float: left;
margin-left: 50%;
}
#subDiv4
{
border-top-right-radius: 10px;
border-bottom-right-radius: 10px;
float: left;
margin-left: 75%;
}