body {
    background-color: transparent;
    margin: 0 auto;
}
#wrapper {
    margin: 0 auto;
    width: 100%;
    text-align: center;
}
nav {
    margin: 0 auto;
    margin-top: 3em;
    width: 1100px;
}
nav ul {
    text-align: left;
    display: inline;
    margin: 0;
    padding: 1em 1em 1em 0;
    list-style: none;
}
nav ul li {
    display: inline-block;
    margin-right: .01em;
    position: relative;
    padding: 1em 3em;
    background: coral;
    -webkit-transition: all 0.2s;
    -moz-transition: all 0.2s;
    -ms-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s;
}
nav li a {
    padding-bottom: 1em;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    padding: 21px;
    text-decoration: none;
    font-weight: bold;
    font-family: Consolas, monaco, monospace;
    color: white;
}
nav ul li:hover {
    background-color: coral;
}
nav ul li ul {
    padding: 0;
    position: absolute;
    top: 3.5em;
    left: 0;
    width: 16em;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
    display: none;
    opacity: 0;
    visibility: hidden;
    -webkit-transiton: opacity 0.2s;
    -moz-transition: opacity 0.2s;
    -ms-transition: opacity 0.2s;
    -o-transition: opacity 0.2s;
    -transition: opacity 0.2s;
}
nav ul li ul li {
    background-color: blueviolet;
    display: block;
    color: #ffffff;
    text-shadow: 0 1px 0 #000;
}
nav ul li ul li:hover {
    background-color: darkseagreen;
}

nav ul li:hover ul {
    display: block;
    opacity: 1;
    visibility: visible;
}