body {
  font-family: 'Roboto', sans-serif;
  background-color: rgb(255, 213, 67);
}

footer {
  text-align: center;
}

header {
  text-align: center;
}

table {
  border-spacing: 0px;
}

td, th {
  padding: 20px;
  min-width: 100px;
  text-align: center;
}

th {
  vertical-align: bottom;
}

tr:not(:first-child) td {
  border-top: 1px dotted black;
}

td:only-child(:first-child) {
  border-left: 1px dotted black;
}