html,body,iframe {
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
}
html, iframe {
    height: 100%;
}
.row {
    margin-right: 0px;
}
.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;
}
.close {
    opacity: 1.0;
    filter: alpha(opacity=100);
}