html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {

    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  background-color: black;
  color: white;
}

header {
    background-color: black;
}

table.center {
    margin-left: auto;
    margin-right: auto;
}