.app-wrap {
  max-width: 440px;
  height: 800px;
  margin: 5vh auto 5vh auto;
  border:10px solid rgba(0,0,0,0.8);
  border-bottom-width: 70px;
  border-radius:10px;
  box-shadow:0 0 50px  rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
}

.app-wrap > * {
  flex: 1 1 auto;
}

.app-wrap .button {
  background-color: grey;
  max-width: 75px;
}

.content {
  padding: 20px;
  background: white;
  box-shadow: inset 0 5px 0 rgba(0,0,0,0.1);
  line-height: 1.6;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
}

.content img {
  max-width:50%;
  float:left;
  margin-right: 10px;
}

.icon-bar a {
  flex: 1;
  text-align: center;
  padding: 1.5rem;
  border-left: 1px solid rgba(0,0,0,0.1);
  background: lightgrey;
  color: rgba(0,0,0,0.5);
}

.icon-bar a:first-child {
  border-left: 0;
}

.icon-bar a:first-child, .icon-bar a:hover {
  border-bottom: 5px solid rgba(0,0,0,0.1);
}

.icon-bar {
  border-top:1px solid #E6E6E6;
  display: flex;
}

.icon-bar i {
  display: block;
  font-size: 2.5rem;
  color:white;
  text-shadow:3px 3px 0 rgba(0,0,0,0.1);
  padding-bottom: 1rem;
}

.app-header {
  background: lightgrey;
  color:rgba(0,0,0,0.5);
  padding:1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}