body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

/* (A) WRAPPER */
#up-wrap,
#up-wrap * {
  font-family: arial, sans-serif;
  box-sizing: border-box;
}

#up-wrap {
  max-width: 400px;
  padding: 20px;
  margin: 20px;
  background: #fbfbfb;
}

#up-wrap h2 {
  margin: 0 0 15px 0;
}

/* (B) PROGRESS BAR */
#up-progress,
#up-bar,
#up-percent {
  height: 30px;
}

#up-progress {
  position: relative;
  background: #fff;
}

#up-bar {
  background: #d3e3ff;
  width: 0;
  transition: width 0.5s;
}

#up-percent {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* (C) FILE PICKER */
#up-file {
  display: none;
}

#up-label {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  color: #fff;
  border: 1px solid #dfdfdf;
  background: #296cd0;
  cursor: pointer;
}

#up-file:disabled~#up-label {
  background: #b1b1b1;
}

div#processing-notice {
  background: #fbfbfb;
  padding: 10px 20px;
  margin: 20px;
}

/* (X) DOES NOT MATTER */
body {
  padding: 0;
  margin: 0;
}