index.css

body {
  font-family: Arial, Helvetica, sans-serif;
}
div {
  margin-bottom: 1em;
}
button {
  height: 3em;
  width: 6em;
  margin-left: 0.5em;
}
.container {
  max-width: 600px;
  margin: 0 auto;
}
.justify-center {
  display: flex;
  justify-content: center;
}
.logo-container {
  text-align: center;
}
#logo {
  width: 196px;
}
#sound {
  width: 100%;
}
#transcription {
  color: #447ff7;
}
#audioPanel {
  display: none;
}
.st0 {
  fill: #ffffff;
  stroke: #3a4966;
  stroke-width: 20;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-miterlimit: 10;
}
.st1 {
  fill: none;
  stroke: #447ff7;
  stroke-width: 30;
  stroke-linecap: round;
  stroke-miterlimit: 10;
}