section#articles {
  display: flex;
  flex-wrap: wrap;
}

aside {
  flex: 1 1 30%;
  min-width: 250px;
  margin: 1rem 3rem 1rem -0.5rem;
}

.main-content {
  flex: 1 1 60%;
  min-width: 400px;
  margin-top: -1rem;
}

#articles input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.post-tag {
  display: inline-block;
  margin: 0.5rem 0.25rem;
}

.post-tag label {
  display: block;
  text-align: center;
  color: var(--grey-text);
  border: 1px solid var(--grey-color);
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  opacity: 0.75;
  cursor: pointer;
  transition: all 500ms;
}

.post-tag label:hover,
.post-tag label:focus,
.post-tag label:focus-within {
  background-color: var(--grey-color);
}

.article {
  border-bottom: 1px dashed var(--shade-300);
  display: none;
  padding: 1.5rem 0;
}

.article-title {
  color: var(--shade-500);
  margin: 0.5rem 0;
}

.article-title a {
  color: var(--shade-500);
  text-decoration: none;
  font-size: 1.35rem;
}

.article-description p {
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.article-description p.details {
  font-size: 1rem;
  margin: 0;
}

input[value="all"]:checked ~ .post-tags label[data-post="all"],
input[value="javascript"]:checked ~ .post-tags label[data-post="javascript"],
input[value="portfolio"]:checked ~ .post-tags label[data-post="portfolio"],
input[value="conferences"]:checked ~ .post-tags label[data-post="conferences"] {
  background-color: var(--shade-100);
  border-color: var(--shade-100);
  opacity: 1;
}

input[value="all"]:checked ~ .main-content .article {
  display: block;
}

input[value="javascript"]:checked
  ~ .main-content
  .article[data-post="javascript"],
input[value="portfolio"]:checked
  ~ .main-content
  .article[data-post="portfolio"],
input[value="conferences"]:checked
  ~ .main-content
  .article[data-post="conferences"] {
  display: block;
}

@media screen and (max-width: 650px) {
  aside,
  .main-content {
    min-width: auto;
  }
}