css3 - Show Css Transition on hover -

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i trying make bootstrap menu dropdown transition opacity, im close not working quite right have looked lots of examples , have come with:http://jsfiddle.net/studentrik/o642hw2e/

i dropdown appear when hover on a tag, appears when @ bottom of a tag due position how make work?

give try.

li.dropdown > .dropdown-menu{    display: block;    position: absolute;    top: 17px;    left: 0; }  li.dropdown > .dropdown-menu{    opacity: 0;    transition: opacity .5s ease-in-out; }  li.dropdown:hover > .dropdown-menu{    opacity: 1; }

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