*,
*:before,
*:after {
  box-sizing: border-box;
}

body {
    margin: 0;
    height: 100vh;
    background-color: darkgrey;

}

table {
  font-family: "Lucida Sans Unicode", "Lucida Grande", Sans-Serif;
  font-size: 14px;
  border-collapse: collapse;
  text-align: center;
  }
  th, td:first-child {
  background: #AFCDE7;
  color: white;
  padding: 10px 20px;
  }
  th, td {
  border-style: solid;
  border-width: 0 1px 1px 0;
  border-color: white;
  }
  td {
  background: #D8E6F3;
  }
  th:first-child, td:first-child {
  text-align: left;
  }