styles.css

body {
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-y: hidden;
  height: 100vh;
  background-color: #0D1117;
}

main {
  padding: 1.5rem;
  border-radius: 8px;
  width: fit-content;
  background-color: rgb(176, 143, 207);
}

textarea {
  border: 1rem solid transparent;
  border-radius: 8px;
  box-sizing: border-box;
  width: 100%;
  height: 6rem;
  padding: 0;
  background-color: rgb(246, 242, 255);
  resize: none;
}

button {
  margin-top: 0.4rem;
  margin-right: 0.2rem;
  height: 3rem;
  border: none;
  border-radius: 8px;
  background-color:blueviolet;
  font-weight: bolder;
  color: white;
}

button:last-child {
  margin-right: 0;
}

button:hover {
  background-color:rgb(101, 33, 179);
  cursor: pointer;
  transition-duration: 0.8s;
}

button:active {
  box-shadow: 0 0 3pt 2pt rgb(157, 75, 235);
  transition-duration: 0.3s;
}

.small {
  width: 3rem;
}

.big {
  width: 6.4rem;
}