css修改输入框的placeholder颜色_html/css_WEB-ITnose

::-webkit-input-placeholder { /* WebKit browsers */    color:    #999;}    :-moz-placeholder { /* Mozilla Firefox 4 to 18 */    color:    #999;}    ::-moz-placeholder { /* Mozilla Firefox 19+ */    color:    #999;}    :-ms-input-placeholder { /* Internet Explorer 10+ */    color:    #999;}