.button {
  display: inline-block;
  min-height: 25px;
  padding: 10px;
  background: #eee;
  text-align: center;
  border-radius: 5px;
  font-weight: bold;
  line-height: 25px;
  border: 1px solid #aaa;
}

.button:hover {
  background: #ddd;
  border: 1px solid #aaa;
}

.alert-text {
  color: rgb(255, 94, 94);
}

.sidebar {
  padding-block: 1rem;
  z-index: 100;
}
.sidebar-about h1 {
  font-size: 2rem;
}

.sidebar-logo {
  margin-inline: auto;
  width: 100%;
  height: auto;
  max-width: 8rem;
}

@media (min-width: 48em) {
  .sidebar-logo {
    width: 60%;
  }
}

@media (min-width: 48em) {
  .speaker-card {
    display: grid;
    grid-template-columns: 1fr 200px;
    grid-template-rows: auto;
    grid-template-areas: "title image" "abstract abstract";
    align-items: center;
    column-gap: 2rem;
  }
}
.speaker-image {
    grid-area: image;
}
.speaker-title {
    grid-area: title;
}
.speaker-abstract {
    grid-area: abstract;
}
.speaker-image > img {
  margin-top: 1rem;
  margin-inline: auto;
  display: block;
  max-height: 300px;
}