.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: 100px;
        text-align: right;
        filter: alpha(opacity=0);
        opacity: 0;
        outline: none;
        background: white;
        cursor: inherit;
        display: block;
    }
    
.la {
	color: #f00;
	font-style: italic;
	font-weight:bold;
}