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