* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
    background-color: black;
  }

  .header{
    display: flex;
    justify-content: center;
    text-align: center;
    
  }
img{
    display: block;
    margin-left: auto;
    margin-right: auto;
}