#head
{
	width:980px;
	height:90px;
	margin:auto;
	border-bottom:2px solid #999;
}

#head span
{
	visibility:hidden;
}


#head-title a
{
	background-image:url(../img/head/BtnLogoA.png);
	width:236px;
	height:90px;
	float:left;
}

#head-title a:hover
{
	background-image:url(../img/head/BtnLogoB.png);
}

#concepto a
{
	background-image:url(../img/head/Btn1A.png);
	width:245px;
	height:90px;
	float:left;
}

#concepto a:hover
{
	background-image:url(../img/head/Btn1C.png);
}

#proyectos a
{
	background-image:url(../img/head/Btn2A.png);
	width:245px;
	height:90px;
	float:left;
}

#proyectos a:hover
{
	background-image:url(../img/head/Btn2C.png);
}

#contacto a
{
	background-image:url(../img/head/Btn3A.png);
	width:235px;
	height:90px;
	float:left;
}

#contacto a:hover
{
	background-image:url(../img/head/Btn3C.png);
}

#pie
{
	width:980px;
/*	height:50px;*/
	margin:auto;
}

#pie
{
	border-top:2px solid #999;
	text-align:center;
	font-family:Arial, Helvetica, sans-serif;
	font-size:10px;
	text-transform:uppercase;
	margin-top:25px;
	padding-top:8px;
}