styles.css

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Varela Round", sans-serif;
}
.hero {
  width: 100%;
  height: 100vh;
  background: #f0f3ff;
  display: flex;
  align-items: center;
  justify-content: center;
}
#searchBox {
  border-radius: 55px;
  padding: 30px;
  background: #f0f3ff;
  display: flex;
  align-items: center;
  box-shadow: 6px 6px 10px -1px rgba(0, 0, 0, 0.15),
    -6px -6px 10px -1px rgba(255, 255, 255, 0.7);
}
#googleIcon {
  width: 50px;
  cursor: pointer;
}
.mic-icon {
  width: 0px;
  transition: 0.5s;
  transition-delay: 0.5s;
}
input {
  font-size: 20px;
  width: 0px;
  border: 0;
  background: transparent;
  outline: none;
  transition: 2s;
}
.active input {
  width: 500px;
  padding: 12px 20px;
}
.active .mic-icon {
  width: 30px;
}