.cat{
text-align:center
}
.cat a {
     display: inline-block;
     padding: 8px 10px;
     background: #00c733;
     border-radius: 15px 0px 50px 15px;
     text-transform: uppercase;
     text-decoration: none;
     font-size: 13px;
     margin-top: 5px;
     color: #353333;
     font-weight: 700;
}

.cat a:hover {
opacity:0.9
}