* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;

  background-color: #ecf0f1;
}

h1, h2, h3, h4, h5 {
  font-family: noto sans,lucida grande,lucida sans unicode,Geneva,Verdana,Sans-Serif;
}

section {
  color: white;
  background-color: #34495e;
}

header {
  border-top: 0;
}

a, a:visited {
  color: #e0ffff;
}

h1 a, h1 a:visited {
  color: inherit;
}

a:hover {
  text-decoration: underline;
}

input[type=submit] {
  max-width: 100px;
  padding: 5px;

  border: 1px solid black;
  border-radius: 20px;
  background-color: #16a085;
  box-shadow: 2px 2px 5px black;
}

input[type=submit]:active, input:disabled {
  box-shadow: none;
}

table {
  border-collapse: collapse;
}

td {
  padding: 5px;

  border: white 1px solid;
}