Create rounded shape style button using CSS

.rounded_button {
   padding: 1.2rem 2.5rem;
   font-size: 1rem;
   background: #207ef9;
   color: #fff;
   border-radius: 40px;
   border: 0;
   letter-spacing: 1px;
   cursor: pointer;
   outline: 0;
}

.rounded_button:hover {
   opacity: .9;
}