style.css

/* * CSS reset * */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

img {
  max-width: 100%;
}

/* * Generiche * */
html {
  font-family: 'Lato', sans-serif;
  height: 100%;
  background: linear-gradient(#3535ec, #b62897);
  background-attachment: fixed;
  color: white;
}

/* * Margini * */
.mb-2 {
  margin-bottom: 12px;
}

.mt-5 {
  margin-top: 32px;
}

.mb-5 {
  margin-bottom: 32px;
}

/* * Container * */
.container {
  width: 90%;
  margin: 0 auto;
  padding: 1.2rem;
}

/* * Logo * */
header img {
  width: 56px;
}

/* * TextArea * */
textarea {
  width: 100%;
  height: 120px;
  border-radius: 16px;
  padding: 24px;
  font-size: 16px;
  font-family: 'Lato', sans-serif;
  font-weight: 300;
  letter-spacing: .1rem;
  resize: none;
  outline: none;
  border: none;

}

/* * Controls * */
.controls {
  display: flex;
  justify-content: space-between;
}

/* * Play Button * */
button {
  width: 62px;
  height: 56px;
  border: none;
  border-radius: 10px;
  background-color: #f81669;
}

button img {
  vertical-align: middle;
}

button:disabled {
  opacity: 0.6;
  background-color: #bebebe;
}

button:active {
  transform: scale(.8);
}

/* * Pitch Controls * */
.pitch-controls {
  width: 70%;
}

input {
  width: 100%;
  accent-color: #fff;
}

label {
  display: block;
}

/* * Gattini * */
.animated-cat {
  display: none;
}

.talking .animated-cat {
  display: block;
}

.talking .static-cat {
  display: none;
}