jquery style display
snippet in javascript

jquery style display

user9424

$("#YourElementID").css("display","block");

jquery style top

user601

$("selector").css('top', '50px');

on hover display block jquery

user5824

.flyout {
    position: absolute;
    width: 1000px;
    height: 450px;
    background: red;
    overflow: hidden;
    z-index: 10000;
    display: none;
}
#menu:hover + .flyout {
    display: block;
}