html {
  background-color: #afb99a;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
img {
  max-width: 100%;
  max-height: 300px;
  margin: 0 auto;
  display: block;
}
#columns {
  display: flex;
  flex-wrap: wrap;
}
#columns > div {
  width: 100%;
}
#columns > #content {
  padding: 0 20px;
}
@media (min-width: 768px) {
  #columns > #logo {
    width: 300px;
  }
  #columns > #content {
    width: calc(100% - 340px);
  }
}

a {
  color: #000;
}
a.button {
  display: block;
  background-color: #b14378;
  color: #fff;
  border-radius: 4px;
  padding: 10px;
  text-align: center;
  margin: 0 auto;
  text-decoration: none;
  font-size: 1.1em;
  /* border: 2px solid #000; */
  max-width: 50%;
  margin-top: 40px;
  box-shadow: 0px 0px 20px -3px rgba(0, 0, 0, 0.75);
}
a.button:hover {
  background-color: #444;
}

#group-classes {
  margin-left: 30px;
}

img#recital {
  margin-top: 50px;
  border: 1px solid #444;
}