@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&display=swap');

body {
  font-family: 'Open Sans', sans-serif;
}

.MathJax_Display {
font-size: 100% !important;
color: #333;
}

.center h2 {
  text-align: center;
}

.tag {
  font-size: 75%
}