.clear{clear:both;}
#wrapper{width:1000px;height:600px;background:pink;}

#header{width:100%;height:100px;background:yellow;}

#png{width:100%;}
#box1{width:25%;height:100px;background:gold;float:left;}
#box2{width:75%;height:100px;background:black;float:left;}

#abc{width:100%;}
#number1{width:75%;height:100px;background:red;float:left;}
#number2{width:25%;height:100px;background:blue;float:left;}

#jkl{width:100%;}
#one{width:25%;height:100px;background:brown;float:left;}
#two{width:75%;height:100px;background:pink;float:left;}

#banner{width:100%;height:100px;background:green;float:left;}

#footer{width:100%;height:100px;background:orange;}