Mua bao da Samsung Galaxy Note 10 Clear View chính hãng giá rẻ tại HCM Hà Nội #floating-phone { display: none; position: fixed; left: 10px; bottom: 10px; height: 50px; width: 50px; background: #46C11E url(http://phukiensamsung.com.vn/images/callbutton01.png) center / 30px no-repeat; z-index: 99; color: #FFF; font-size: 35px; line-height: 55px; text- align: center; border-radius: 50%; -webkit-box-shadow: 0 2px 5px rgba(0,0,0,.5); -moz-box-shadow: 0 2px 5px rgba(0,0,0,.5); box-shadow: 0 2px 5px rgba(0,0,0,.5); } @media (max-width: 650px) { #floating-phone { display: block; } }