body{
    
background-color: white;
  
    
}

.outer-box{
    
    width: 520px;
    height: 720px;
    border: 3px solid red;
    background-color: yellow;
    border-radius: 20px;
    margin: 20px auto;
    
}

.inner-box{
    
     width: 440px;
    height: 440px;
    border: 6px solid red;
    background-color: green;
    border-radius: 20px;
    margin: 20px auto;
}

.blue-box{
    
     width: 100px;
    height: 100px;
    background-color: #0ff9fc;
    border-radius: 10px;
    margin: 20px auto;
}

.dark-box{
    
     width: 150px;
    height: 200px;
    background-color: #0505d2;
    border-radius: 10px;
   margin: 20px;
    
    
}

.orange-box{
    
     width: 150px;
    height: 60px;
    background-color: #fc860f;
    border-radius: 10px;
    margin: 20px auto;
    
}

.red-box{
    
     width: 150px;
    height: 200px;
    background-color: red;
    border-radius: 10px;
   margin: 20px 35px;
}