CSS3 new design

While learning I wanted to create a horizontal menu. This fiddle contains the code for the same.

by Avdhut Sonpethkar

HTML

<div id="parent-div">
<div id="page-div">

<div id="menucontainer">
    <ul id="hmenu">
        <li><a href="#">Home</a>

        </li>
        <li><a href="#">About</a>

        </li>
        <li><a href="#">Contact Us</a>

        </li>
        <li><a href="#">Information</a>

        </li>
    </ul>
</div>
    
</div>
    </div>

CSS

/*
Techonolgy Quest;


*/
#parent-div
{
    box-shadow: 0 0 10px black;
    -moz-box-shadow: 0 0 10px black;
    -webkit-box-shadow: 0 0 10px black;
    width: 100%;
    height: 100%;
}

#page-div
{
    box-shadow: 0 0 10px black;
    -moz-box-shadow: 0 0 10px black;
    -webkit-box-shadow: 0 0 10px black;
    width:450px;
    align: center;
    left: 20%;
}

#menucontainer {
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 90px;
    left: -10px;
}

#menucontainer ul, #menucontainer li, #menucontainer a {
    margin: 0px;
    padding: 0px;
}
/* Following selectors will define the color and the border radius for the menu*/
#menucontainer ul, #menucontainer li {
    list-style: none;
    background-color:#2CDF7B;

}

#menucontainer ul li {
    list-style: none;
    margin: 0px;
    padding: 0px;
    background-color:#2CDF7B;
    position: relative;
    display: inline;
    width: auto;
    height: 70px;
}
#menucontainer ul li a {
    list-style: none;
    margin-left: 10px;
    padding-left: 10px;
    margin-right: 10px;
    padding-right: 10px;
    background-color:transparent;
    position: relative;
    display: inline;
    text-decoration: none;
    font-family:"Times New Roman", "Arabic";
    font-size: 20px;
    color: #E3E3C0;
}

#menucontainer ul li:hover {
    list-style: none;
    margin: 0px;
    padding: 0px;
    background-color:rgba(195, 190, 95, 0.6);
    position: relative;
    display: inline;
    -moz-border-radius: 20px;
    -webkit-border-radius: 20px;
    -khtml-border-radius: 20px;
    border-radius: 20px;
}
#menucontainer ul li:hover a {
    list-style: none;
    margin-left: 10px;
    padding-left: 10px;
    margin-right: 10px;
    padding-right: 10px;
    background-color:transparent;
    position: relative;
    display: inline;
    text-decoration: none;
    font-family:"Times New Roman", "Arabic";
    font-size: 20px;
    color:white;
    z-index: 20;
}
#menucontainer:before, #menucontainer:after {
content:" ";
border:...