html, body {
  margin: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

div {
  height: 10%;
  display: flex;
  min-height: 2rem;
}
div button {
  border: none;
  width: 100%;
  color: white;
  font-size: 1.6rem;
  font-weight: 100;
}

#convert-1 {
  background: #47CF73;
}
#convert-1:hover {
  background: #2fb45a;
}

#convert-2 {
  background: #0EBEFF;
}
#convert-2:hover {
  background: #009fda;
}

#convert-3 {
  background: #FF4444;
}
#convert-3:hover {
  background: #ff1111;
}

textarea {
  margin: 0;
  padding: 1.5rem;
  border: none;
  line-height: 1.6;
  background: #111;
  color: #FF4444;
  box-sizing: border-box;
  height: 45%;
  font-family: "Andale Mono", monospace;
  white-space: pre;
}
textarea::-moz-selection {
  background: rgba(255, 68, 68, 0.2);
}
textarea::selection {
  background: rgba(255, 68, 68, 0.2);
}

/* adjust menu bar */
.hbar-content {
  margin-top:auto !important;
}