body {
  background: linear-gradient(to bottom, #c973ff, #aebaf8);
  background-repeat: no-repeat;
  height: 100vh;

  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

#Welcome {
  text-align: center;
  color: #fff;
  margin-top: 20px;
}

#main {
  width: 260px;
  margin: 50px auto;
  padding: 20px;
  background: #1e1e1e;
  border-radius: 10px;
  box-shadow: 0 0 10px #000;
}

#input {
  width: 90%;
  padding: 15px;
  font-size: 20px;
  text-align: right;
  border: none;
  border-radius: 5px;
  margin-bottom: 20px;
  background: #2c2c2c;
  color: #fff;
}

#buttons .row {
  display: flex;
  margin-bottom: 10px;
}

button {
  flex: 1;
  padding: 15px;
  margin: 2px;
  font-size: 18px;
  border: none;
  border-radius: 5px;
  background: #3b3b3b;
  color: #fff;
  cursor: pointer;
}

button:hover {
  background: #575757;
}