input::-webkit-input-placeholder, textarea::-webkit-input-placeholder {	/* WebKit, Blink, Edge */
　　color: #666;
	font-size: x-small;
	font-style: italic;
}
input:-moz-placeholder, textarea:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
　　color:#666;
	font-size: x-small;
	font-style: italic;
}
input::-moz-placeholder, textarea::-moz-placeholder { /* Mozilla Firefox 19+ */
　　color:#666;
	font-size: x-small;
	font-style: italic;
}
input:-ms-input-placeholder, textarea:-ms-input-placeholder { /* Internet Explorer 10-11 */
　　color:#666;
	font-size: x-small;
	font-style: italic;
}