body { text-align: center; direction: rtl; font-family: tahoma; } a.button { display: inline-block; padding: 0.5em 2em; background-color: #088; color: #fff; text-decoration: none; border-radius: 0.7em; border-bottom: 5px solid #044; } a.button:hover { background-color: #0aa; border-bottom-color: #088; } ثبت نام a.button {border: none;padding: 15px 32px;text-align: center;text-decoration: none;display: inline-block;font-size: 16px;margin: 4px 2px;cursor: pointer;}