div#logo {position: absolute; width: 600px; height: 90px; top:180px;border:0;margin:-120px -300px 0;left:50%;}
<div id ="logo"><DIV style="border:0;"><p align = "center"><img src="Images/logo.png" width="600" height="90" border ="0" /></p></div></div>
<div style="margin-top:3% ;"> <p align = "center"><img src="Images/background_yooopee2.jpg" width="700" height="710" ></p>
</div></div>
<div id ="link1"><div style="border:0"><p align = "center"><a href="gallery_choice.html"><IMG src="Images/gallery_button_bw.png" height="110" border="0" width="500" alt ="Галерея" onMouseOver="this.src = img['second'].src" onMouseOut="this.src = img['first'].src" /></a></a></p></div></div>
<div id ="link2"><div style="border:0"><p align = "center"><a href="author.html"><IMG src="Images/author_button_bw.png" height="80" border="0" width="380" alt =" Автор" onMouseOver="this.src = img['second1'].src" onMouseOut="this.src = img['first1'].src" /></a></a></p></div></div>
body, html {width:100%; height:100%;}
div#left { position: absolute; width: 100px; height: 710px; top:100px; left: -1px;}
div#lefttop { position: absolute; width: 100px; height: 500px; top:0px; left: 50px;}
div#rightdown { position: absolute;width:190px; height: 400px; top:400px; right:45px;}
div#link1 {position: absolute; width: 500px; height: 110px; top:350px;border:0;margin:-120px -250px 0;left:50%;}
div#link2 {position: absolute; width: 380px; height: 80px; top:600px;border:0;margin:-120px -200px 0;left:50%;}
<div id = "rightdown"><DIV style="border:0">
<img src="Images/aqua_group2.jpg">
</DIV></div>
<div id= "lefttop"><DIV style=" border:0">
<img src="Images/aqua_group1.jpg">
</DIV></DIV>
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