::-webkit-input-placeholder {color:#797c80;}
::-moz-placeholder          {color:#797c80;}/* Firefox 19+ */
:-moz-placeholder           {color:#797c80;}/* Firefox 18- */
:-ms-input-placeholder      {color:#797c80;}

:focus::-webkit-input-placeholder {color: transparent}
:focus::-moz-placeholder          {color: transparent}
:focus:-moz-placeholder           {color: transparent}
:focus:-ms-input-placeholder      {color: transparent}