Problema con carga de efectos Css dentro un mismo html

[supernacho]

Daphyre: Estos son los codigos de los 2 css:

Styleb:




body {
font: 11px Arial, Helvetica, sans-serif;
background: #ffffff url();
padding: 0;
margin: 0;
}
img {
border: none;
}

/* dock - top */
.dock {
position: relative;
height: 50px;
text-align: center;
background-image: url(images/dock-bg2.gif);
}
.dock-container {
position: absolute;
height: 50px;
background: url(images/dock-bg2.gif);
padding-left: 20px;
}
a.dock-item {
display: block;
width: 40px;
color: #888588;
position: absolute;
top: 0px;
text-align: center;
text-decoration: none;
font: bold 12px Arial, Helvetica, sans-serif;
}
.dock-item img {
border: none;
margin: 5px 10px 0px;
width: 100%;
}
.dock-item span {
display: none;
padding-left: 20px;
}

/* dock2 - bottom */
#dock2 {
width: 100%;
bottom: 0px;
position: absolute;
left: 0px;
}
.dock-container2 {
position: absolute;
height: 50px;
background: url(images/dock-bg.gif);
padding-left: 20px;
}
a.dock-item2 {
display: block;
font: bold 12px Arial, Helvetica, sans-serif;
width: 40px;
color: #000;
bottom: 0px;
position: absolute;
text-align: center;
text-decoration: none;
}
.dock-item2 span {
display: none;
padding-left: 20px;
}
.dock-item2 img {
border: none;
margin: 5px 10px 0px;
width: 100%;
}


Ligthbox:




#lightbox{
position: absolute;
top: 40px;
left: 0;
width: 100%;
z-index: 100;
text-align: center;
line-height: 0;
}

#lightbox a img{ border: none; }

#outerImageContainer{
position: relative;
background-color: #fff;
width: 250px;
height: 250px;
margin: 0 auto;
}

#imageContainer{
padding: 10px;
}

#loading{
position: absolute;
top: 40%;
left: 0%;
height: 25%;
width: 100%;
text-align: center;
line-height: 0;
}
#hoverNav{
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
z-index: 10;
}
#imageContainer>#hoverNav{ left: 0;}
#hoverNav a{ outline: none;}

#prevLink, #nextLink{
width: 49%;
height: 100%;
background: transparent url(../images/blank.gif) no-repeat; /* Trick IE into showing hover */
display: block;
}
#prevLink { left: 0; float: left;}
#nextLink { right: 0; float: right;}
#prevLink:hover, #prevLink:visited:hover { background: url(../images/prevlabel.gif) left 15% no-repeat; }
#nextLink:hover, #nextLink:visited:hover { background: url(../images/nextlabel.gif) right 15% no-repeat; }


#imageDataContainer{
font: 10px Verdana, Helvetica, sans-serif;
background-color: #fff;
margin: 0 auto;
line-height: 1.4em;
}

#imageData{
padding:0 10px;
}
#imageData #imageDetails{ width: 70%; float: left; text-align: left; }
#imageData #caption{ font-weight: bold; }
#imageData #numberDisplay{ display: block; clear: left; padding-bottom: 1.0em; }
#imageData #bottomNavClose{ width: 66px; float: right; padding-bottom: 0.7em; }

#overlay{
position: absolute;
top: 0;
left: 0;
z-index: 90;
width: 100%;
height: 500px;
background-color: #000;
filter:alpha(opacity=60);
-moz-opacity: 0.6;
opacity: 0.6;
}


.clearfix:after {
content: ".";
display: block;
height: 0;
clear: both;
visibility: hidden;
}

* html>body .clearfix {
display: inline-block;
width: 100%;
}

* html .clearfix {
/* Hides from IE-mac \*/
height: 1%;
/* End hide from IE-mac */
}