style.css

@import url("https://fonts.googleapis.com/css2?family=Castoro&display=swap");

* {
  box-sizing: border-box;
  font-family: "Castoro", serif;
}

body {
  position: relative;
  background: rgb(17, 80, 125);
  background: linear-gradient(
    323deg,
    rgba(17, 80, 125, 1) 7%,
    rgba(1, 44, 76, 1) 74%,
    rgba(1, 10, 17, 1) 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
}

body::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: url("img/cloud1.png");
  background-position: left bottom, left top;
  background-repeat: no-repeat;
}

.container {
  display: flex;
  flex-direction: column;
  width: 90%;
  max-width: 600px;
}

.read {
  color: #fff;
  padding: 10px;
  font-size: 1.1rem;
  width: 100%;
  height: 250px;
  background: rgba(1, 44, 76, 0.6);
  resize: none;
}

h1,
h3 {
  color: #fff;
}

h3 {
  text-align: center;
  font-size: 1.2rem;
  margin-top: 20px;
}

.pitch {
  margin-top: 5px;
}

.read::placeholder {
  color: #fff;
  opacity: 1;
  transition: opacity 0.2s ease-in-out;
}

.read:focus::placeholder {
  opacity: 0;
}

button,
.voices {
  color: #fff;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 900;
  padding: 10px;
  margin-top: 10px;
  background: rgba(1, 10, 17, 0.7);
}

.voices {
  font-size: 1rem;
}

button:hover {
  background-color: rgba(1, 10, 17, 0.9);
}

.read,
button {
  outline: 0;
  border-radius: 4px;
  border: 2px solid #fff;
}