* {
  box-sizing: border-box;
}

html,
body {
  margin: 0px;
  min-height: 100%;
  height: 100%;
  font-family: "Source Code Pro", monospace;
}

.containers {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.binary-container {
  position: relative;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.binary {
  font-size: 50px;
}

.play-pause {
  font-family: serif;
  font-size: 30px;
  margin-top: 20px;
  cursor: pointer;
}
.editor-container-contents {
  transition: opacity 250ms ease-out;
  opacity: 0;
}

.editor-container.open {
  height: 400px;
}

.editor-container.open .editor-container-contents {
  opacity: 1;
}

.play {
  width: 39px;
  font-size: 15px;
  height: 35px;
  border: 3px solid;
  margin-top: 10px;
  border-radius: 3px;
  position: relative;
}

.play:after {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  border-right: 8px solid transparent;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 10px solid black;
  transform: translate(calc(-50% + 5px), -50%);
}

.pause:after {
  border: 6px solid black;
  transform: translate(-50%, -50%);
}