/*
    Simple dropdown button menu.
    Markup example:
    <div class="_drop_menu _button right_align small">
        Make a Selection
        <div class="choices">
            <a href="monkeys" class="choice">Monkeys</a>
            <a href="bananas" class="choice">Banans</a>
            <a href="dogs" class="choice">Cats</a>
            <a href="cats" class="choice">Dogs</a>
        </div>
    </div>

    .right_align: default is left-aligned, add this to right-align

    ._button: not required, but ._drop_menu works pretty well with ._button

*/
._drop_menu {
    position: relative;
    display: inline-block;
}
._drop_menu .choices{
    font-size: 12px;
    line-height: 14px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
    position: absolute;
    left: 0;
    top: 14px;
    display: none;
    padding: 6px;
}
._drop_menu.right_align .choices{
    right: 0;
    left: auto;
}
._drop_menu:hover .choices {
    display: block;
}
._drop_menu .choice {
    color: #333;
    display: block;
    font-weight: normal;
    line-height: 20px;
    padding: 3px 6px 3px 6px;
    white-space: nowrap;
    text-decoration: none;
}
._drop_menu.right_align .choice{
    text-align: right;
}
._drop_menu .choice:hover {
    color: white;
    text-decoration: none;
    background-color: #0081c2;
    background-image: -moz-linear-gradient(top, #0088cc, #0077b3);
    background-image: -webkit-linear-gradient(top, #0088cc, #0077b3);
    background-image: linear-gradient(to bottom, #0088cc, #0077b3);
}