修改input placeholder文字顏色

/*input placeholder文字顏色*/

.filter-input::-webkit-input-placeholder { /* WebKit browsers */
  color:rgba(153,153,153,1);
}
.filter-input:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
  color:rgba(153,153,153,1);
}
.filter-input::-moz-placeholder { /* Mozilla Firefox 19+ */
  color:rgba(153,153,153,1);
}
.filter-input:-ms-input-placeholder { /* Internet Explorer 10+ */
  color:rgba(153,153,153,1);
}