Page Widget How to - Create drop down menu with arrow

Question

We would like to know how to create drop down menu with arrow.
Answer


<!--from w w w  .  j  ava2  s.  co  m-->
<p>
revised from
http://fiddle.jshell.net/avdhut/QMYQe
</p>

<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.menucontainer {
  width: 960px;
  height: 60px;
}

.menucontainer ul {
  width: 100%;
  height: 60px;
  list-style: none;
  background: transparent;
}

.menucontainer li.parent_menu {
  list-style: none;
  height: 40p;
  width: 120px;
  display: inline;
  float: left;
  background: #49c0f0;
  margin: 0px;
  padding: 0px;
}

.menucontainer li.parent_menu a {
  text-decoration: none;
  text-align: center;
  color: white;
  display: block;
  float: left;
  font-size: 18px;
  margin-left: 5px;
  margin-right: 5px;
  padding-left: 5px;
  padding-right: 5px;
  line-height: 40px;
}
/*********************Parent Hover Effect **********************/
.menucontainer li.parent_menu:hover {
  list-style: none;
  height: 40p;
  width: 120px;
  display: inline;
  float: left;
  background: #49c0f0;
  margin: 0px;
  padding: 0px;
}

.menucontainer li.parent_menu:hover a, .menucontainer li.parent_menu a:hover
  {
  text-decoration: none;
  text-align: center;
  color: black;
  display: block;
  float: left;
  margin-left: 5px;
  margin-right: 5px;
  padding-left: 5px;
  padding-right: 5px;
}
/***********************Arrow with Anchor **********************/
.menucontainer li.has_child:after {
  content: '';
  position: absolute;
  border: 7px solid transparent;
  border-top: 7px solid white;
  top: 34px;
  margin-left: 5px;
}

.menucontainer li.has_child:hover:after {
  content: '';
  position: absolute;
  border: 7px solid transparent;
  border-top: 7px solid black;
  top: 34px;
  margin-left: 5px;
}
/***********************Arrow with Anchor for sub menu **********************/
.menucontainer li.has_child_sub:after {
  content: '';
  position: absolute;
  border: 7px solid transparent;
  border-left: 7px solid white;
  top: 20px;
  margin-left: 6px;
}

.menucontainer li.has_child_sub:hover:after {
  content: '';
  position: absolute;
  border: 7px solid transparent;
  border-left: 7px solid black;
  top: 20px;
  margin-left: 6px;
}
/***************************Sub Menu**************************/
.menucontainer li.parent_menu ul {
  display: none;
  float: left;
  position: relative;
  margin: 0px;
  height: 0px;
  padding: 0px;
}

.menucontainer li.parent_menu:hover ul {
  display: block;
  float: left;
  position: relative;
  width: 100px;
  height: auto;
  margin: 0px;
  padding: 0px;
  left: -5px;
}

.menucontainer li.parent_menu:hover li.child_menu {
  list-style: none;
  height: 40p;
  width: 100px;
  display: block;
  float: left;
  background: #49c0f0;
  margin: 0px;
  padding: 5px 0px 5px 5px;
}

.menucontainer li.parent_menu:hover li.child_menu a {
  text-decoration: none;
  text-align: center;
  color: white;
  display: block;
  float: left;
  font-size: 18px;
  margin-left: 5px;
  margin-right: 0px;
  padding-left: 10px;
  padding-right: 5px;
  line-height: 40px;
}

.menucontainer li.parent_menu:hover li.child_menu a:hover {
  text-decoration: none;
  text-align: center;
  color: black;
  display: block;
  float: left;
  font-size: 18px;
  margin-left: 5px;
  margin-right: 0px;
  padding-left: 10px;
  padding-right: 5px;
  line-height: 40px;
</style>
</head>
<body>
  <div class="menucontainer">
    <ul>
      <li class="parent_menu"><a href="#">Home</a></li>
      <li class="parent_menu"><a href="#">About Us</a></li>
      <li class="parent_menu has_child"><a href="#">Product</a>
        <ul>
          <li class="child_menu has_child_sub"><a href="#">Product 1</a>
          </li>
          <li class="child_menu"><a href="#">Product 2</a></li>
          <li class="child_menu"><a href="#">Product 3</a></li>
        </ul></li>
      <li class="parent_menu has_child"><a href="#">Services</a>
        <ul>
          <li class="child_menu"><a href="#">Product 1</a></li>
          <li class="child_menu"><a href="#">Product 2</a></li>
          <li class="child_menu"><a href="#">Product 3</a></li>
        </ul></li>
      <li class="parent_menu"><a href="#">Contact Us</a></li>
    </ul>
  </div>
</body>
</html>
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