@import url('https://fonts.googleapis.com/css?family=Roboto:400,500,700&display=swap');

body {
  -webkit-font-smoothing: antialiased;
  font-family: 'Roboto', sans-serif;
  margin: 0;
}

main {
  margin: 100px 0;
  padding: 0 15px;
}

h1 {
  font-size: 28px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 35px;
}

.recorder {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.recorder-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
}

button {
  border: none;
  padding: 10px 15px;
  font-size: 20px;
  cursor: pointer;
  width: 120px;
  max-width: 100%;
  transition: background 250ms ease;
}
button:disabled {
  cursor: default;
}
.btn-start-recording {
  background: #66bb6a;
  margin-right: 20px;
}
.btn-start-recording:hover {
  background: #98ee99;
}
.btn-start-recording:disabled:hover {
  background: #66bb6a;
}
.btn-stop-recording {
  background: #e64a19;
}
.btn-stop-recording:hover {
  background: #ff7d47;
}
.btn-stop-recording:disabled:hover {
  background: #e64a19;
}

.result-wrapper {
  border-top: 2px solid #e4e4e4;
  margin: 50px 0;
  padding: 20px 0;
}

h2 {
  text-align: center;
  font-weight: 500;
}

.loading-holder.speech-loading {
  position: absolute;
  width: 30px;
  height: 30px;
  top: 35px;
  left: 0;
  right: 0;
  margin: 0 auto;
  border: 5px solid #333;
  border-radius: 30px;
  opacity: 0;
  animation: pulsate 1s ease-out;
  animation-iteration-count: infinite;
}

@keyframes pulsate {
  0% {
    transform: scale(.1);
    opacity: 0.0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1.2);
    opacity: 0;
  }
}