Module:Pagination/styles.css

.prev-btn {
 background-color: rgb(0,0,255);
 color: black;
 font-weight: bold;
 font-size: 15px;
 padding: 5px;
 border-radius: 5px;
}

.next-btn {
 background-color: green;
 color: green;
 font-weight: bold;
 font-size: 15px;
 padding: 5px;
 border-radius: 5px;
}