body {
  font-family: arial, helvetica,sans-serif;
}
h1.title {
  text-align: center;
  font-size: 20;
}
h2.header {
  text-align: center;
  font-size: 16;
}
p.info {
  text-align: center;
  font-size: 12;
}
a.top {
  text-decoration: none;
}
a.menu {
  font-size: 14;
}
span.menu {
  font-size: 14;
}
input.txt1 {
  width: 400;
}