ul.dropdown {
    position: relative;
    float: none;
    z-index: 350;
    clear: both;
    height: 0px;
    padding: 0px 0px 0px 100px;
    margin-bottom: 0px;
}
ul.dropdown li {
    float: left;
    line-height: 50px; /* hieght of the main menu bar */
    cursor: pointer;
    margin-left: 0px;
    /* font-weight: bold;  bold the main menu text but not the child*/
}
ul.dropdown li ul a {
    display: block;
    white-space: no-wrap;
}
ul.dropdown a:hover {
    background-position: right bottom;
    color: #fff; /* menu selection/mouse hover text color*/
    background: #000; /* menu selection/mouse hover color*/
}
ul.dropdown a:active {
    color: #ddd;
    background: #000;
}
ul.dropdown li a {
    display: block;
    font-family: Verdana, sans-serif;
    font-size: 13px;
    color: #000; /* menu text color*/
    text-decoration: none;
    float: left;
    /*height: 30px;*/
    width: 84px;
    /*background-color: rgba(230, 230, 230, 1);  main menu background color*/
    text-align: center;
    position: relative;
    /*border-bottom: 2px solid #ccc;*/
    -webkit-transition: color, background-color 0.5s linear;
    -moz-transition: color, background-color 0.5s linear;
    -o-transition: color, background-color 0.5s linear;
    transition: color, background-color 0.5s linear;
}
ul.dropdown li:last-child a {
    margin: 0px;
}
ul.dropdown li.hover,
ul.dropdown li:hover {
    position: relative;
    background-color: rgba(240, 240, 240, 1);
}
ul.dropdown ul {
    visibility: hidden;
    position: absolute;
    top: 100%;
    left: 0;
    float: none;
}
ul.dropdown ul li {
    font-weight: normal;
    background-color: rgba(240, 240, 240, 1); /* submanu background color*/
    height: 31px;
    line-height: 30px;
    margin: 0px; /* gap between sub menus*/
    padding: 0px; /* height of sub menus*/
    float: none;
    width: 150px;
}
ul.dropdown ul li.hover,
ul.dropdown ul li:hover {
    background-color: rgba(230, 230, 230, 1); /* sub sub manu background color when mouse hover on submenu*/
}
ul.dropdown ul li a {
    width: 140px; /* sub menu select text width*/
    height: 30px;
    line-height: 30px;
    padding: 0 0px;
    background: none;
    margin: 0;
    font-family: Verdana, sans-serif;
    font-size: 11px;
    text-align: left;
    position: relative;
    text-decoration: none;
    padding: 0px 5px 0px 5px;
    /*border: 1px solid #edc;*/
    border-bottom: 1px solid #edc;
    -webkit-transition: color, background-color 0.5s linear;
    -moz-transition: color, background-color 0.5s linear;
    -o-transition: color, background-color 0.5s linear;
    transition: color, background-color 0.5s linear;
}
ul.dropdown ul ul {
    left: 100%;
    top: 0;
}
ul.dropdown li:hover > ul {
    visibility: visible;
}
ul.dropdown a.rightimage {
    background: url(../images/arrowR.png) right no-repeat;
}