#form_container {
    padding: 15px 15px;
    margin-top: 200px;
    background: rgba(237, 111, 245, 0.58);
    color: #fff;
    margin-left: 50px;
    margin-bottom: 100px;
}

body {
    background-color: #000;
    -webkit-background-size: contain;
    -moz-background-size: contain;
    -o-background-size: contain;
    background-image: url('images/cafe5.jpg');
    background-repeat: no-repeat;
    background-size: initial;
}

.upload-btn-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.upload-btn-wrapper input[type=file] {
    font-size: 100px;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
}