body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #f0f0f0;
}

#calendar {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 10px;
}

h1{
  color: rgb(255, 0, 0);
  text-align: center;
  margin: 20px
}
p{
  align-self: top;
  text-align: center;
  margin: 20px;
  color: rgb(0, 0, 0);
}
body.index{
  background-color: rgb(251, 251, 251);
}