a,span{font-size:20px}a{font-style:normal;font-weight:700}.intro-text{margin-bottom:40px;margin-top:20px}.button-appearance{background-color:#000;border:none;border-radius:10px;color:#fff;cursor:pointer;display:inline-block;font-size:16px;padding:4px 8px;text-decoration:none;transition:background-color .3s ease,transform .2s ease}.button-appearance:hover{background-color:#333;transform:scale(1.05)}