.card {
  border: 1px solid black;
  padding-left: 1em;
  box-shadow: 6px 7px black;
  width: 70%;
  margin: auto;
  margin-bottom: 2em;
}

body{
  margin: 40px;
  color: #333;
  background-color: white;
}

a, a:visited{
  color: black; 
}

code{
  background-color: #f8f8f8; 
  padding: 5px;
}

ul{
  line-height: 200%;
}

.hidden{
  display: none;
}

#lightside{
  display: none;
}