body {
  width: 100%;
  height: 100%;
  margin: 0;
 	font-family: Libaration Sand, Arial, Sans-Serif;
  font-size: 18px;
}

h2, h3 {
  text-align: center;
}

h2 {
  margin-top: 36px;
}

#navigation {
  position: relative;
  height: 48px;
  text-align: center;
  line-height: 48px;
  font-size: 24px;
  font-weight: bold;
  background-color: #339966;
  border-bottom: solid #339966 2px;
  color: white;
  margin-bottom: 10px;
}

#container {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: space-around;
  padding: 10px;
  align-items: center;
}

table {
  margin-left:auto; 
  margin-right:auto;
}

td {
  text-align: center;
}

img {
  max-width: 100%;
}

.portrait {
  width: 80%;
  margin: 0 auto;
}

.centered {
  text-align: center;
}

.smallimg {
  width: 95%;
  margin: 0 5px 5px 5px;
}

.table {
  display: table;
  width: 80%;
  margin: 10px auto;
}

.inline {
  width: 40%;
  display: table-cell;
}

.citation {
  margin-top: auto;
  font-size: 12px;
  color: Grey;
  text-align: left;
}

.singlecolumn {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: 10px;
  box-sizing: border-box;  
}

.error {
  width: 80%;
  display: inline-block;
  text-align: center;
}

.heart {
  width: 128px;
  height: 128px;
  background-image: url('../images/bigheart.png');
  background-position: center;
  background-repeat: no-repeat;
}

.bigheart {
  background-image: url('../images/heart.png');
}

.breath {
  width: 128px;
  height: 128px;
  background-image: url('../images/breath.png');
  opacity: 1;
  background-position: center;
  background-repeat: no-repeat;
}

.breathon {
  opacity: 0;
}

#animation {
   width: 50%;
   margin: 0 auto;
}

#flyingbat {
   width: 100%;
   display: inline-block;
}

.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 30;
  border-radius: 10px;   
  background: #d3d3d3;
  outline: none;
  opacity: 0.7;
  -webkit-transition: .2s;
  transition: opacity .2s;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 50px;
  height: 50px;
  border-radius: 50%; 
  background: #4CAF50;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #4CAF50;
  cursor: pointer;
}