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; }