.slide div{float:left;text-align:center}
.slide>div{width:241px;margin:15px 10px 0 20px;}
.pos{position:absolute;}
.middle-top{margin-left:0px!important;left:295px;width:150px}
.middle-bottom{margin-left:0px!important;top:240px;left:295px;width:150px}
.slide .left{float:left}
.slide .right,.slide .slide3-right{float:right}
.slide .slide3-right{margin-top:300px;width:220px}
.slide .left img, .slide .right img{border:1px solid #000}
.div2{margin-top:30px}
.kali{left:368px}
.natron{left:224px;top:190px}

.saure{position:absolute;top:270px;left:158px}

.slide .structure{position:absolute;width:214px;height:216px}
#s-structure{left:61px;top:18px}
#nacl-structure{top:260px;left:515px}
#na-structure{left:61px;top:18px}
#k-structure{top:260px;left:515px}
div.horizontalline{position:absolute;background-color:#000;width:71px;height:2px}
.line1{top:100px;left:271px;}
.line2{top:341px;left:449px;}