* {
  font-family: Arial, Helvetica, sans-serif;
}

html, body {
  margin: 0;
  border: 0;
  padding: 0;
  background-color: #fff;
}

main {
  margin: auto;
  width: 75%;
  padding: 20px;
}

main > h1 {
  text-align: center;
  font-size: 3.5em;
}

.menu {
  display: flex;
  align-items: center;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  font-size: 14px;
  background-color: white;
  border-bottom: 1px solid rgb(225,225,225);
}

.menu__item {
  color: black;
  text-decoration: none;
  font-family: Arial, sans-serif;
  cursor: pointer;
  padding: 12.5pt 20px;
}

.menu__item--hfill {
  flex: auto;
}