.red{
background-color: red;
border-radius: 100px;
width:35px;
height:35px;
}
.orange{
background-color: orange;
border-radius: 100px;
width:35px;
height:35px;
}
.yellow{
background-color: yellow;
border-radius: 100px;
width:35px;
height:35px;
}
.green{
background-color: green;
border-radius: 100px;
width:35px;
height:35px;
}