HTML <div id="border-btn"> <button>Hover me</button> </div>```` CSS #border-btn { display: flex; align-items: center; justify-content: center; height: 100vh; } button { border: 0; border-radius: 10px; background: #2ec4b6; text-transform: uppercase; color: white; font-size: 16px; font-weight: bold; padding: 15px 30px; outline: none; position: relative; transition: border-radius 3s; -webkit-transition: border-radius 3s; } button:hover { border-bottom-right-radius: 50px; border-top-left-radius: 50px; border-bottom-left-radius: 10px; border-top-right-radius: 10px; }
