İnternet sitesinde yakınlaşınca divler kayıyor

[rushhit]

Merhaba benim sitemde sıkıntı şu yakınlaşınca divler kayıyor yani ortalıyorum ama dene divleri kayıyor sorun nedir acaba ?
<div id="icerik">
<div id="1">
<div id="dene">dsfsdfsdfsdfsdfsdfdsfds </div>
<div id="dene1"> </div>
<div id="dene2"> </div></div>
<div id="dene3"> <hr> </div>
<div id="2">
<div id="dene">dsfsdfsdfsdfsdfsdfdsfds </div>
<div id="dene1"> </div>
<div id="dene2"> </div></div>
<div id="dene3"> <hr> </div>
</div>
css kodlarıda bu
#icerik {
background-color: #333 ;
width: 100%;
height: 600px;
margin-top: 0;
margin-right: auto;
margin-bottom: 0;
margin-left: auto;
}
#footer {
background-color: #900 ;
width: 100%;
height: 200px;
margin-top: 0;
margin-right: auto;
margin-bottom: 0;
margin-left: auto;
}
#dene {
background-color: #036 ;
border: 1px solid #3FF ;
height: 200px;
float: left;
width: 200px;
padding: 10px;
margin-top: 10px;
margin-right: 20px;
margin-bottom: 10px;
margin-left: 300px;
}
#dene 1 {
background-color: #036 ;
border: 1px solid #3FF ;
float: left;
height: 200px;
width: 200px;
padding: 10px;
margin-top: 10px;
margin-right: 20px;
margin-bottom: 10px;
margin-left: 45px;
}
#dene 2 {
background-color: #036 ;
border: 1px solid #3FF ;
float: left;
height: 200px;
width: 200px;
padding: 10px;
margin-top: 10px;
margin-right: 20px;
margin-bottom: 10px;
margin-left: 45px;
}
#dene 3 {
/*background-color: #036 ;
border: 1px solid #3FF ;*/
width: 900px;
height: 1px;
margin-top: 0px;
margin-right: 200px;
margin-bottom: 10px;
margin-left: auto;
float: right;
}#1 {
display: table;
height: 200px;
width: 900px;
margin-top: 0px;
margin-right: auto;
margin-bottom: 0px;
margin-left: auto;
position: relative;
}
#2 {
display: table;
height: 200px;
width: 900px;
margin-top: 0px;
margin-right: auto;
margin-bottom: 0px;
margin-left: auto;
position: relative;
}

 

[dbd]

Selamlar russhit,
Bu koda bir goz at

<div id="wrap">
<div id="left">I am div 1</div>
<div id="right">I am div 2</div>
</div>


//css

#wrap {
background: #e7e7e7 ;
padding: 40px;
text-align: center;
width: 600px;
}


#left , #right {
background: #ccc ;
display: inline-block;
padding: 20px;
}