.btn-file {
		    position: relative;
		    overflow: hidden;
		}
		.btn-file input[type=file] {
		    position: absolute;
		    top: 0;
		    right: 0;
		    min-width: 100%;
		    min-height: 100%;
		    font-size: 999px;
		    text-align: right;
		    filter: alpha(opacity=0);
		    opacity: 0;
		    background: red;
		    cursor: inherit;
		    display: block;
		}
		input[readonly] {
			background-color: white !important;
			cursor: text !important;
		}