#dermatology {display:block; width:630px; height:386px; background:url(images/dermatologie-cosmetologie.gif) no-repeat; position:relative; margin:0 0 0 20px; padding: 0;  position: relative;}

#dermatology li {margin: 0; padding: 0; list-style: none; display: block; position: absolute;}
#dermatology a {display: block;}
#dermatology1 {left: 65px; top: 0px; width: 335px; height: 71px;}
#dermatology2 {left: 193px; top: 71px; width: 207px; height: 71px;}
#dermatology3 {left: 166px; top: 142px; width: 234px; height: 87px;}
#dermatology1 a {height: 71px;}
#dermatology2 a {height: 71px;}
#dermatology3 a {height: 87px;}


#dermatology1 a:hover {background: url(images/dermatologie-cosmetologie.gif) -65px -386px no-repeat;}
#dermatology2 a:hover {background: url(images/dermatologie-cosmetologie.gif) -193px -457px no-repeat;}
#dermatology3 a:hover {background: url(images/dermatologie-cosmetologie.gif) -166px -528px no-repeat;}

a:active { outline: none; }
a:focus { -moz-outline-style: none; }