html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  font-size: 1em;
  height: 100%;
  width: 100%;
}
body {
  height: 100%;
  margin: 0;
  padding: 0;
  width: 100%;
  overflow: hidden;
}

div, main, section {
  margin: 0;
  padding: 0;
}
input, button, select, textarea {
  border-radius: 0.2em;
  border-width: 0em;
  color: #000;
  font-family: inherit;
  font-size: inherit;
  margin: 0.4em;
  padding: 0.4em;
}
button {
  background-color: #373;
  border-width: 0;
  box-shadow: 0.1em 0.1em 0.2em #555;
  color: #fff;
  cursor: pointer;
}
button:disabled {
  background-color: #aaa;
  color: #eee;
  cursor: not-allowed;
  /*text-shadow: -0.05em -0.05em 0em #888, 0.05em 0.05em 0em #eee;*/
}
input, select {
  background-color: #fff;
  box-shadow: inset 0.1em 0.1em 0.1em #777;
  box-sizing: border-box;
  min-width: 3em;
  text-align: left;
}
input:focus {
  outline-color: #333;
}
a {
  text-decoration: underline;
}
p, label {
  margin: 0.4em;
  padding: 0.4em;
}