*{
    margin:0%;
    padding:0%;
}

.one{
    background-color:aqua ;
    height:500px;
    width:800px;
    margin-left: 300px;
    margin-top: 100px;
    z-index: 0;
    
}
.two{
    background-color:black ;
    height:400px;
    width:300px;
    position: relative;
    left:80px;
    top:50px;
    z-index: 1;

    
    margin-top: 100px;
    margin-left: 150px;
    
    
    
}
.three{
    background-color: orange;
    width:250px;
    height:20px;
    border-radius: 10px;
    z-index: 3;
    position: relative;
    left:250px;
    bottom:300px;
    margin-top: 30px;
    

}