.U_MD_D_H { position: absolute; right: 80px; bottom: 80px; width: 80px; height: 80px; background-color: #59B4FA; border: 5px solid #4DA4FD; border-radius: 50%; cursor: pointer; display: none; } .U_MD_D_H_A { position: absolute; top: 0; left: 0; opacity: 0; -moz-opacity: 0.5; -khtml-opacity: 0.5; } .U_MD_D_H_O { color: #FFF; font-size: 20px; line-height: 30px; word-spacing: 8px; letter-spacing: 8px; margin: 9px 0 0 15px; }