#tablaLibros {
    width: 40% !important;
}

#tablaLibros td{
    padding: 10px 10px 0px 15px;
}

@media (max-width: 969px){
	#tablaLibros {
	    width: 70% !important;
	    float: none !important;
	    display: table;
	}	    
	#tablaLibros td{
	    padding: 10px 10px 0px 15px !important;
	}
}

@media (max-width: 550px){
	#tablaLibros td{
	    display: block !important;
	}

	#tablaLibros td:last-child{
	    padding-bottom: 15px !important;
	}

	#tablaLibros .control-group{
		margin-bottom: 0px;
	}
	
}