styles.css

* {
  box-sizing: border-box;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
  background: #2d3131;
  color: #fcfcfc;
}

img,
video {
  max-width: 300px;
  max-height: 500px;
}

p {
  text-align: center;
}

label {
  cursor: pointer;
}

input#file-upload {
  visibility: hidden;
}

#wrapper {
  width: 70%;
  margin: auto;
}

#title {
  font-size: 2rem;
  text-align: center;
}

#drop-container {
  padding: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #3d4141;
  border: 1px dashed #fcfcfc;
  border-radius: 1rem;
}

#drop-container i {
  font-size: 4rem;
}

#preview-area {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
}

.preview-tile {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  margin: 1rem;
  background: #313737;
  border-radius: 1rem;
}

.preview-media {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}