<p class="butonat">
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I attempted the given styling
but it did not produce the desired result:
Styling (provided in comment post by original poster):
.butonat a.color1 {
font-size:16px;
font-family:'Source Sans Pro', FontAwesome, sans-serif;
font-weight:normal;
text-decoration:none;
text-align:center;
color:#fff;
}