Sottomenù Bootstrap che non funziona correttamente

<li class="dropdown">
   <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown prodotti <span class="caret"></span></a>
 <ul class="dropdown-menu" role="menu">
                                <li><a href="primoprodotto.html">Primo prodotto</a></li>
                                <li><a href="secondoprodotto.html">Secondo prodotto</a></li>
                                <li><a href="terzoprodotto.html">Terzo prodotto</a></li>
 </ul>
</li>

 <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown prodotti <span c

@CHARSET "ISO-8859-1";
.tits
{
    padding-left: 211px;
    color: red;
}


.bgwhite
{
    background-color: white;
}

body
{
    background-color: #eee;
}

.textpenny
{
    font-size: 17px;
}

.st
{
    font-size:22px;
}
.contatti{

  float: right;
}

.blocco
{
 display: block;
 height: 50px;
}

.video
{
	background-color: red;
	height: 300px;
	
}


.scritta
{
	font-size: 20px;
}



.qualita
{
	height: 200px;
	background-color: grey;
	
}

.icona
{
	
	font-size: 90px;
}
.iconatre
{
	font-size: 90px;
	margin-top: 30px;
        height: 90px;
}


.top
{
	margin-top: 20px;

	
	}


	.testo
{
	text-align: justify;
        font-size: 15px;
}


.f
{
    padding-top:12px;
	font-size: 12px;
	line-height:38px;
	text-align: center;
        color: #ffffff;
	height:20px;
	background-color: black;
	width: 100%;
	}

       
.riquadro
{
    border: 1px solid #ccc;
    height: auto;
    width: auto;
    margin-top: 5px;
    margin-bottom: 15px;
    margin-right: 4px;
    margin-left: 4px;
    padding-top: 10px;
    padding-right: 4px;
    padding-left: 4px;
    padding-bottom: 20px;
}



.riquadrodue
{
    border: 1px solid #ccc;
    height: 120px;
    width: 120px;
    margin-top: 5px;
    margin-bottom: 5px;
    margin-right: 5px;
    margin-left: 5px;
   padding-top: 9px;
   padding-right: 5px;
   padding-left: 9px;
   padding-bottom: 5px;
}

.grassetto
{
    font-weight:bold;
}

table {
	font-size: inherit;
	border: 1px solid #c8c8c8; 
}
.tabella_corsi{
	border: 1px solid #999;
	font-family: Verdana, Geneva, sans-serif;
	font-size: 8px;
	line-height: 14px;
        color:red;
}

.rosso
{
    color: red;
}


.nero
{
    color: black;
}

.sottotitoli
{
    font-size: 20px;
    color: red;
    
}

.linea
{
 color: red;     
    border-bottom: solid 1px red;
}

.lineadue
{
  
    border-bottom: solid 1px black;
}

.iconadue
{
  font-size: 90px;
}


.immagine
{
    padding-left: 50px;
  margin-top: 50px;
}




footer
{
    text-align: center;
    height: 50px;
    line-height: 50px;
    background-color: black;
    font-size: 9px;
    color: white;
    width: 100%;
}


.iframe-container {
    height: 0;
    padding-bottom: 50%;
    padding-top: 0;
    overflow: hidden;
}
.iframe-container iframe, .iframe-container object,  
.iframe-container embed {
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

.google-maps {
    position: relative;
    padding-bottom: 75%; 
    height: 0;
    overflow: hidden;
    }
    .google-maps iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    }