body {
  text-align: center;
}

.container {
  margin: auto;
  max-width: 540px;
}

.layer-list {
  width: 100%;
  text-align: center;
  list-style: none;
  float: left;
  margin: 0px;
  padding: 0px;
}

.layer-list__item {
  display: inline-block;
  margin: 5px;
}

.layer-list__img:hover {
  background-color: #0d6dfd;
  cursor: pointer;
}

.layer-list__img {
  width: 70px;
  height: 70px;
  padding: 10px;
  background-color: #f0f0f0;
}

.download {
  width: 100%;
  max-width: 540px;
  font-size: 1em;
  padding: 1em;
  margin-top: 1em;
  margin-bottom: 1em;
}

.download:hover {
  cursor: pointer;
}