<img class="bottom" src="http://dna.su.kg/resources/RailBacground/Rail_Bacground_1.png" /> <img class="top" src="http://dna.su.kg/resources/RailBacground/Rail_Bacground_2.png" />
- img_container {
position:relative; height:281px; width:450px; margin:0 auto; }
- img_container img {
position:absolute; left:0; -webkit-transition: opacity 1s ease-in-out; -moz-transition: opacity 1s ease-in-out; -o-transition: opacity 1s ease-in-out; transition: opacity 1s ease-in-out; }