h3{ 
margin:0px; 
padding:0px
}

<!-- A continuacion estan los estilos aplicados al menu izquierdo (Rojo)-->

.menuIzqDIV{
width: 100%; /*width of menu*/
background: #880E1F; /*last 2 values are the x and y coordinates of bullet image*/
padding: 0px 0px 2px 0px;
}

.menuIzqDIV h3{
padding-left:6px;
}

.menuIzqDIV .menuExpansible, .menuIzqDIV  .Menu{
font: bold 11px Georgia, "Times New Roman", Times, serif;
color: white;
background: #880E1F; /*last 2 values are the x and y coordinates of bullet image*/
padding-bottom: 4px; /*bottom spacing between header and rest of content*/
margin: 2px; /*31px is left indentation of header text*/
}

.menuIzqDIV .menuExpansible a, .menuIzqDIV  .Menu a{
text-decoration: none;
color: white;
display: block;
}

.menuIzqDIV ul{
width: 134px; 
list-style-type: none;
list-style:none;
margin: 0;
padding: 0;
margin: 0px 0px 5px 16px; /*bottom spacing between each UL and rest of content*/
}

.menuIzqDIV ul li{
list-style:none;
background: #880E1F;
padding-bottom: 2px; /*bottom spacing between menu items*/
text-indent:-14px;
padding-left:10px;

}

.menuIzqDIV ul li a{
font: bold 10px Georgia, "Times New Roman", Times, serif;
color: white;
display: block;
padding: 0px;
padding-bottom: 2px;
text-decoration: none;
}

.menuIzqDIV ul li a:visited, .Menu a:visited{
color: white;
}

.menuIzqDIV ul li a:hover, .Menu a:hover, .menuIzqDIV .menuExpansible a:hover, .menuIzqDIV  .Menu a:hover{ /*hover state CSS*/
color: #FF8080;
}


<!-- A continuacion estan los estilos aplicados al menu derecho (Verde)-->

.menuDerDIV{
width: 134px; /*width of menu*/
background: #666666; /*last 2 values are the x and y coordinates of bullet image*/
padding: 10px 0px 2px auto;
}

.menuDerDIV h3{
padding-right:10px;
text-align:right;
}

.menuDerDIV .menuExpansible, .menuDerDIV  .Menu{
font: bold 11px Georgia, "Times New Roman", Times, serif;
color: white;
background: #666666; /*last 2 values are the x and y coordinates of bullet image*/
padding-bottom: 4px; /*bottom spacing between header and rest of content*/
margin: 2px; /*31px is left indentation of header text*/
}

.menuDerDIV .menuExpansible a, .menuDerDIV  .Menu a{
text-decoration: none;
color: white;
display: block;
}

.menuDerDIV ul{
width: 134px; 
text-align:right;
list-style-type: none;
list-style:none;
padding: 0;
margin: 2px 20px 5px 0px; /*bottom spacing between each UL and rest of content*/
}

.menuDerDIV ul li{
list-style:none;
padding-bottom: 2px; /*bottom spacing between menu items*/
}

.menuDerDIV ul li a{
font: bold 10px Georgia, "Times New Roman", Times, serif;
color: white;
background: #666666;
display: block;
padding: 0px;
padding-bottom: 2px;
text-decoration: none;
}

.menuDerDIV ul li a:visited, .Menu a:visited{
color: white;
}

.menuDerDIV ul li a:hover, .Menu a:hover, .menuDerDIV .menuExpansible a:hover, .menuDerDIV  .Menu a:hover{ /*hover state CSS*/
color: #CCCCCC;
}