Dropdown menu onder elkaar

#cssmenu {
  font-family: 'Open Sans', sans-serif;
  color: #fff;
  font-size: 15px;
  text-align: left;
  line-height: 32px;
margin: 0 0 0 75px;
}


#cssmenu > ul {
  width: auto;
  list-style-type: none;
  padding: 0;
  margin: 0;
  background: #ffffff;


}


#cssmenu > ul li#responsive-tab {
  display: none;
  /* Hide for large screens */


}
#cssmenu > ul li {
  display: inline-block;
  *display: inline;
  zoom: 1;
}


#cssmenu > ul li.right {
  float: right;
}
#cssmenu > ul li.has-sub {
  position: relative;
}


#cssmenu > ul li.has-sub:hover ul {
  display: block;
}
#cssmenu > ul li.has-sub ul {
  line-height: 10px;
  display: none;                                      
  width: 500px;
  position: absolute;
  margin: 0;
  padding: 0;
  list-style-type: none;
  background: #ffffff;
  border: 1px solid #ece6e8;
  border-bottom: 1px solid #d9ced2;
  border-top: 0 none;
}
#cssmenu > ul li.has-sub ul li {
  display: inline;
}
#cssmenu > ul li.has-sub > a {


  background-repeat: no-repeat;
  background-position: 90% -95%;
}
#cssmenu > ul li.has-sub > a.active,
#cssmenu > ul li.has-sub > a:hover {
  color: #fff;  
  background-position: 90% 195%;
}
#cssmenu > ul li a {
  display: block;
  padding: 12px 24px 11px 24px;
  text-decoration: none;
  color: #747474;
  text-shadow: 0px 1px 0px #fff;
}
#cssmenu > ul li a.active,
#cssmenu > ul li a:hover {
  background: url(menu-arrow-hover.png);
  background-repeat: no-repeat;
  background-position: right 3px center;
  background-color: #52D7F0;
  font-weight: 700;




}
@media (max-width: 600px) {
  #cssmenu > ul {
    width: 100%;
  }
  #cssmenu > ul li#responsive-tab {
    display: block;
  }
  #cssmenu > ul li#responsive-tab a {
    background: url('menu.png') no-repeat;
    background-position: 95% -35%;
  }
  #cssmenu > ul li#responsive-tab a:hover {


    background-position: 95% 135%;
  }
  #cssmenu > ul li {
    display: none;
  }




  #cssmenu > ul li.right {
    float: none;
  }
  #cssmenu > ul li.has-sub {
    position: relative;
  }
  #cssmenu > ul li.has-sub ul {
    display: block;
    position: absolute;
    width: 100%;
    background: #000;
    border: 0 none;
  }
  #cssmenu > ul li.has-sub ul li {
	display:inline;
	float:left;
	position:relative;
	margin:0 5px;
  }
  #cssmenu > ul li.has-sub ul li a span {
    display: block;
    padding-left: 24px;
  }
  #cssmenu > ul li.has-sub ul li  span {
    display: block;
    padding-left: 500px;
  }
  #cssmenu > ul li.has-sub > a {
    background-image: none;
  }
}
/* Make sure they show even if hidden in mobile view by JS */
@media (min-width: 600px) {
  #cssmenu > ul > li.collapsed {
    display: inline-block !important;
    *display: inline;
    zoom: 1;
  }
  #cssmenu > ul ul li.collapsed {
    display: block !important;
  }
}

<div id='cssmenu'>


<ul>
    <li class='has-sub'><a href='#' title="test"><span>test</span></a>
          
      <ul>
		 <li><a href='#'><span>test</span></a></li> 
                 <li><a href='#'><span>test</span></a></li> 
                 <li><a href='#'><span>test</span></a></li> 
                 <li><a href='#'><span>test</span></a></li> 		 
      </ul>
	       
      


</ul>
</div>