#topicSelector {
  padding: 15px 25px 10px 25px;
  background-color: #F9F9F9;
  margin-bottom: 0px;
  overflow: hidden;
}
#topicSelector.visible, #topicSelector.invisible {
  height: 0px;
  padding: 0px 15px;
  opacity: 0;
  visibility: visible;
  -webkit-transition: height 0.3s ease-out, opacity 0.3s ease-out 0.5s, padding 1.25s ease-out 0.3s;
  -moz-transition: height 0.3s ease-out, opacity 0.3s ease-out 0.5s, padding 0.15s ease-out 0.3s;
  -ms-transition: height 0.3s ease-out, opacity 0.3s ease-out 0.5s, padding 0.15 ease-out 0.3s;
  /* IE10 is actually unprefixed */
  -o-transition: height 0.3s ease-out, opacity 0.3s ease-out 0.5s, padding 0.15s ease-out 0.3s;
  transition: height 0.3s ease-out, opacity 0.3s ease-out 0.5s, padding 0.15s ease-out 0.3s;
}
#topicSelector.visible {
  padding: 15px;
  height: 105px;
  opacity: 1;
  visibility: visible;
  -webkit-transition: height 0.3s ease-out 0.5s, opacity 0.3s , padding 0.15s ease-out 0.4s;
  -moz-transition: height 0.3s ease-out 0.5s, opacity 0.3s , padding 0.15s ease-out 0.4s;
  -ms-transition: height 0.3s ease-out 0.5s, opacity 0.3s , padding 0.15s ease-out 0.4s;
  /* IE10 is actually unprefixed */
  -o-transition: height 0.3s ease-out 0.5s, opacity 0.3s , padding 0.15s ease-out 0.4s;
  transition: height 0.3s ease-out 0.5s, opacity 0.3s , padding 0.15s ease-out 0.4s;
}
#topicSelector .topicSelectorButton {
  margin-right: 5px;
  margin-bottom: 5px;
  font-size: 11pt;
  min-width: 140px;
  background-color: transparent;
  font-weight: 300;
  color: #757575;
  border: 1px solid #757575;
  font-family: museo-sans-condensed,"Arial Narrow",Arial,"Helvetica Condensed",Helvetica,sans-serif;
  letter-spacing: 1px;
  transition: .25s;
}
#topicSelector .topicSelectorButton:last-child {
  margin-right: 0px;
}
#topicSelector .topicSelectorButton.selected {
  color: #ffffff;
  border: 1px solid #e2001a;
  background-color: #e2001a;
}

@media (max-width: 768px) {
  #topicSelector.visible {
    height: 300px;
  }
  #topicSelector .topicSelectorButton {
    width: calc(50% - 5px);
  }
  #topicSelector .topicSelectorButton:nth-child(2n) {
    margin-right: 0px;
  }
}