* {
  box-sizing: border-box;
}

html {
  font: 1.5/17px Verdana, Geneva, Tahoma, sans-serif;
}

body {
  margin: 0 auto;
  max-width: 500px;
}

h1 {
  text-align: center;
}

table {
  border: 1px solid #000;
  border-collapse: collapse;
  text-align: center;
  padding: .5rem;
  width: 100%;
}

th,
tr
{
  border: 1px solid #000;
  padding: .5rem;
}

td {
  padding: .5rem;
  text-align: left;
}

td a {
  text-decoration: none;
}