body { 
  max-width: 800px;
  margin: 4.2rem auto 2rem;
  color: #444;
  padding: 0 1.1rem;
}

h1 {
  margin-bottom: 0;
  text-align: center;
}

h1 + p {
  margin-top: 0;
  text-align: center;
}

h2 {
  margin-top: calc(2rem + 2vw);
  font-size: 1.8rem;
}

h3 { 
  font-size: 1.4rem;
}
h2, h3 {
  font-family: sans-serif;
  margin-bottom: 2px;
  font-weight: 200;
}
h2 + p, h3 + p {
  margin-top: 0;
}

p { line-height: 150%; font-size: 1.1rem; padding-left: 1px; }

#activities div div {
  padding-left: 1.3rem;
  margin-bottom: 2rem;
}



[class^='hide-not'], div[class*=' hide-not'],
[class^='hide-because'], div[class*=' hide-because'] {
  display: none;
}

#filter {
  margin: 0;
  padding: 0;
}

#filter li.active {
  background: #eee;
}

#filter li {
  padding: 6px 10px 5px;
  border: 1px solid #ddd;
  margin: 0 5px 5px 0;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
}

@media screen and (max-width: 1299px) {
  #filter {
    margin-bottom: 4rem;
    font-size: 0;
  }
  #filter li {
    display: inline-block;
  }
}
@media screen and (min-width: 1300px) {
  #filter {
    position: fixed;
    left: 2rem;
    bottom: 2rem;
  }

  #filter {
    list-style: none;
  }
}