height, body {
  height: 100%;
}
body {
  overflow: hidden;
  display: flex;
  justify-content: center;
  flex-grow: 1;
  align-self: stretch;
  flex-shrink: 0;
  background-color: #eceff1;
  font-family: 'Roboto Slab', serif;
}
.fb {
  position: relative;
  display: flex;
  padding: 4px;
  transition: all .1s ease-in-out;
  color: #263238;
  min-height: 40px;
  min-width: 40px;
}
.header {
  align-self: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center; 
}
.header>div {
  max-width: 300px;
}
.container {
  flex-grow: 1;
  align-self: stretch;
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
}
.top {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  flex-basis: 300;
}
.wrapper {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-around;
  max-width: 300px;
}
.enter,
.result {
  flex-grow: 1;
  flex-basis: 30;
  align-self: stretch;
  display: flex;
  justify-content: center;
  flex-direction: column;
}
.fb .enter {
  padding: 0;
}
.result {
  box-shadow: 0px 2px 5px -1px rgba(0,0,0,0.5);
  cursor: pointer;
}
.enter>.input,
.result>.output {
  align-self: stretch;
}
.enter>.input {
  min-width: 270px;
  font-size: 18px;
  line-height: 22px;
  border: 1px solid #607d8b;
  border-radius: 2px;
  outline: none;
  padding-left: 10px;
  padding-right: 10px;
  padding-top: 10px;
  padding-bottom: 7px;
}
.switcher {
  display: flex;
  align-items: center;
  flex-grow: 1;
}
.from-lang,
.switch-lang,
.to-lang {
  flex-grow: 1;
  align-self: center;
  display: flex;
  justify-content: center;
}
.from-lang {
  justify-content: flex-start;
}
.to-lang {
  justify-content: flex-end;
}
.from-lang span,
.switch-lang button,
.to-lang span {
  align-self: center;
}
.copy {
  width: 0;
  height: 0;
  padding: 0;
  margin: 0;
  opacity: 0;
}
.switch-lang button {
  display: inline-block;
  font-size: 20px;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  touch-action: manipulation;
  outline: none;
  cursor: pointer;
  user-select: none;
  background-image: none;
  border: 1px solid rgba(0,0,0,.5);
  background-color: transparent;
  border-radius: 2px;
  padding: 4px 8px;
}