#demoLeft {
float:left;
background: #FFF;
overflow:hidden;
height:140px;
}

#demoTop {
float:left;
margin:50px auto;
background: #FFF;
overflow:hidden;
border: 0px dashed #CCC;
height: 500px;
width: 150px;
border:5px solid #ccc;
}


#demoLeft .indemo {
float: left;
width: 1000%;
}

#demoTop .indemo {
float: left;
width: 100%;
}

#demo1,#demo3 {
float: left;
}
#demo2,#demo4 {
float: left;margin-left:5px;
}

#demo1 img,#demo2 img,#demo3 img,#demo4 img{
width:auto;
height:140px;
border:none;
}