.categories {
  padding: 10px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 5px #333;
}
.categories-title {
  color: #87ceeb;
  text-align: center;
  padding: 15px 0;
  margin-bottom: 15px;
  border-bottom: 1px dashed #ccc;
}
.categories-list {
  display: flex;
  width: 80%;
  margin: 10px auto 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.categories-list-item {
  color: #fff;
  padding: 5px 10px;
  border-radius: 5px;
  margin: 0 10px;
  box-shadow: 0 0 5px #666;
  margin-bottom: 15px;
}
.categories-list-item:nth-child(5n + 1) {
  background-color: #ff6347;
}
.categories-list-item:nth-child(5n + 2) {
  background-color: #ffa500;
}
.categories-list-item:nth-child(5n + 3) {
  background-color: #008000;
}
.categories-list-item:nth-child(5n + 4) {
  background-color: #00f;
}
.categories-list-item:nth-child(5n + 5) {
  background-color: #800080;
}
.categories-list-link {
  color: #fff;
  text-decoration: underline;
}
.categories-list-count {
  color: #fff;
  margin-left: 8px;
}
.categories-list-count::before {
  content: '[';
}
.categories-list-count::after {
  content: ']';
}