header {
    background: linear-gradient(to right, #050505, #2f373c);
    color: white;
    padding: 40px 20px;
    text-align: center;
  }
 body {
    text-align: center;
 }
 main {
    text-align: center;
 }
 table {
    text-align: center;
 }
 body {
    background-color: rgba(222, 220, 220, 0.554);
  }
  
 tr,th,td {
    text-align: center;
 }

  footer {
    text-align: center;
    padding: 20px;
    background-color: #ddd;
  }