h1 {
  font-family: "Courier New", Courier, monospace;
}

.center {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  /*min-height: 100vh;*/
}

#text_panel {
  display: inline-block;
  padding-bottom: 1em;
  width: 100%;
}

#text-input {
  font-size: 4vw;
  color: black;
}

textarea {
  width: 100%;
}

#speak {
 display: inline-block; 
}

#save {
  font-size: 2.5vw;
  margin: 0.5em;
}

.voice {
  width: 100%;
  font-family: "Courier New", Courier, monospace; 
}

#throb {
  width: 45px;
  height: 45px;
  margin: 5px;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@media screen and (max-width: 800px) {
  #save {
    font-size: 8.5vw;
    margin: 0.5em;
  }
}