.f_mailer_upload_area {
	display: none;
}

input[type=file] + span .btn_upload,
input[type=file] + span .btn_delete {
	-webkit-appearance: none;
	display: inline-block;
	margin: 2px;
	cursor: pointer;
	border: 1px #999 solid;
	border-radius: 0.5rem;
	padding: 2px 10px;
	background-color: #f0f0f0;
}
input[type=file] + span .btn_upload:hover,
input[type=file] + span .btn_delete:hover {
	border: 1px #666 solid;
	background-color: #ffd;
}