[HTML] Div non contiene nulla

[KingWoody]

Ciao a tutti.. Ho un problema con questa pagina html.. Il div "all_elem" dovrebbe contenere tutti gli elementi della pagina, invece non ne contiene nessuno.. Qualcuno sa aiutarmi?

<div id="all_elem">
<div id="logo"> ciao </div>
<div id="trapezio"><div id="titolo">Login</div><div id="text">





<form class="1" name="myform" action = "login.php"  method = "POST"> 
<div id="form">    
       <label for="email">Email</label>
      <input id="email_log" name="email" type="email" required="required" />
     </br></br>
      <label for="password">Password</label>
      <input name="password_log" type="password" id="password"  />
  
  <center><input type="submit" id="submit" name="submit" value="Login" /></center>
</div>
</form>
</div>
</div> 

<div id="testo">
testo di prova
</div>

<div id="trapezio2"><div id="titolo-1">Sign up</div>
<div id="text-1">
<form  name="register" id="registra" method = "POST">   
       <label for="nome">First name</label>
      <input id="name" name="name" type="text" maxlength="20" x-webkit-speech speech />
      <label for="nome">Last name</label>
      <input id="last" name="last" type="text" maxlength="20" x-webkit-speech speech />
      <label for="email">Email</label>
      <input id="email" name="email" type="email"   />
     </br></br>
     <label for="nome">I live in</label>
      <input name="city" id="city" type="text"  maxlength="20"  x-webkit-speech speech />
     <label for="password">Password</label>
      <input name="password" type="password" id="psw" maxlength="20"/>
      </br></br>
      
     <label for="sex">I am:</label>
      <select name="sex" id="sex">
        	 <option value="">Select sex:</option>
       		 <option value="1">Male</option>
             <option value="2">Female</option>
        </select>
      </br></br>
     	<label for="nascita">Birthday: </label>
        <select name="giorno" class="day" id="day" >
        <option value="">Day</option>

	</select>
	<select name="month" id="month" class="month">
	<option value="">Month</option>
    
	</select>
	<select name="anno" id="year" class="year">
	<option value="" selected>Year</option>
 
  	</select>
   
  <center> <input type="button" id="bottone" value="Sign up" /></center>
 

</div>

</div>