html, body {
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #d6c8cf;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#result-display {
  min-height: 10px;
  font-weight: bold;
}

button {
  margin: 20px;
  font-size: 40px;
  background-color: rgb(227, 221, 222);
  border: 1px solid rgba(0,0,0,.1);
  width: 100px;
  height: 100px;
  border-radius: 50%; 
}

button:hover {
  border: 1px solid rgba(252, 251, 251, 0.5);
  cursor: pointer;
}


#reset {
    background: linear-gradient(90deg, #0e0000 0%, #f857a6 100%);
    color: #fff;
    width: 220px;
    height: 60px;
    margin: 15px;
    border-radius: 10%;
    font-size: 22px;
    border: none;
    font-weight: bold;
    letter-spacing: 0.5px;
    cursor: pointer;
}

#reset:hover {
    background: linear-gradient(90deg, #0f0f0f 0%, #ff0000 100%);
    box-shadow: 0 4px 20px rgba(28, 28, 28, 0.5);
}