.no-select {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

* {
  padding: 0;
  margin: 0;
}

body,
html {
  width: 100%;
  height: 100%;
}

ul,
li {
  list-style: none;
}

#code {
  height: 100%;
  width: 100%;
}

a {
  text-decoration: none;
}

a:active {
  color: unset;
}

.hand {
  cursor: pointer;
}

.fl {
  float: left;
}

.fr {
  float: right;
}