Hey guys I am trying to make this number in the circle transparent, I tried with

```
color: #000; 
color: rgba(0, 0, 0, 1); 

```

but the number is black i tried with opicity, but it works for the whole div.
This is the code: <https://jsfiddle.net/ivailo/3q6ej7cc/6/>

```
BODY {
background-color: tan;
}
span.green {
background: #5EA226;
border-radius: 0.8em;
-moz-border-radius: 0.8em;
-webkit-border-radius: 0.8em;
color: #ffffff;
display: inline-block;
font-weight: bold;
line-height: 1.6em;
margin-right: 15px;
text-align: center;
width: 1.6em; 
}

```