nav { width: 100%; }

.nav_wrapper {
 width:1235px;
 
 float:left;
  transition: top .5s ease-out;
  
}
  
 
.ov  {background-color:rgba(19,105,178,.7);}
 
.menu {
  width: 100%;
  height: auto;
  width:1052px; float:left; border-bottom:1px solid #fff; height:49px;   padding-top:20px; line-height:19px;
  transition: all 0.3s ease;
}

.menu ul {
  padding: 0px;
  margin: 0px;
  list-style: none;
  position: relative;
  display: inline-block;
  float:right;
}

.menu > li > ul.sub_menu {
  min-width: 10em;
  padding: 4px 0;
  background-color: #f4f4f4;
  border: 1px solid #fff;
}

.menu ul li { padding: 0px; }

.menu > ul > li { display: inline-block; }

.menu ul li a {
  display: block;
  text-decoration: none;
  color: #fff;
  font-size: 14px;
}

.menu ul li a:hover {
background-color:rgba(19,105,178,.7);
  color: #fff;
}

.menu ul li.hover > a {
background-color:rgba(19,105,178,.7);
  color: #fff;
}

.menu ul li > a { padding: 15px; }

.menu ul ul {
  display: none;
  position: absolute;
  top: 100%;
  min-width: 160px;
  background: #1369b2;
}

.menu ul li:hover > ul { display: block; }

.menu ul ul > li { position: relative; }

.menu ul ul > li a {
  padding: 10px 15px;
  height: auto;
background-color:#39484d;
}

.menu ul ul > li a:hover {
background-color:rgba(19,105,178,.7);
color: #fff;
}

.menu ul ul ul {
  position: absolute;
  left: 100%;
  top: 0;
}