* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
  }
  
  .container {
    width: 100%;
    height: 100vh;
    background-color: salmon;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }
  
  .header {
    margin: 20px;
    color: white;
    text-align: center;
  }
  
  .calendar {
    background-color: black;
    color: lightgray;
    width: 450px;
    height: 520px;
    border-radius: 10px;
    box-shadow: 4px 4px 8px rgba(0, 0, 0, 0.4);
  }
  
  .month {
    width: 100%;
    height: 120px;
    background-color: lightseagreen;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-radius: 10px 10px 0 0;
  }
  
  .month h1 {
    font-size: 30px;
    font-weight: 400;
    text-transform: uppercase;
  }
  
  .month p {
    font-size: 16px;
  }
  
  .weekdays {
    width: 100%;
    height: 50px;
    display: flex;
  }
  
  .weekdays div {
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 1px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .days {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding: 2px;
  }
  
  .days div {
    font-size: 14px;
    margin: 3px;
    width: 57.5px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .days div:hover:not(.empty) {
    border: 2px solid gray;
    cursor: pointer;
  }
  
  .today {
    background-color: lightseagreen;
  }
  
  .footer {
    margin-top: 70px;
    color: white;
    text-align: center;
  }