Is this syntax incorrect?

Is this syntax incorrect?

this doesn't seem to be working, what is the issue? Thanks
.circle-1, circle-2,-circle-3 p {
position: absolute;
top: 50%;
left: 50%;
margin: 0;
color: #2970AE;
letter-spacing: 1px;
font-weight: 700;
font-size: 14px;
-webkit-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
}