.wpu-container{
    max-width:600px;
    margin:auto;
    padding:30px;
    background:white;
    border-radius:20px;
    box-shadow:0 0 20px rgba(0,0,0,.1);
}

.wpu-container input[type=file],
.wpu-container input[type=text]{
    width:100%;
    padding:12px;
}

.wpu-container button{
    background:#000;
    color:#fff;
    padding:15px 25px;
    border:0;
    border-radius:10px;
    cursor:pointer;
}