header { 
			background-color: #ffffff; 
			color: #000000; 
			text-align: center; 
} 

h1 {
  color: black;
  font: bold 24px Helvetica, sans-serif;
  font-size: 1.2rem;
  font-weight: normal;
  margin: 0 0 2rem 0;
}

body {
  background-color: white;
  font: 18px Helvetica, sans-serif;
}

ul {
  list-style-type: none;
  font: 20px Helvetica, sans-serif;
  margin: 0;
  padding: 0;
}


li {
    margin: 0.5rem 0;
}

li a {
    font-family: Helvetica, Arial, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    color: #333;
    text-decoration: none;
}

li a:hover {
    text-decoration: bold;
}

li a:visited {
    color: #333;
}

nav { 
			background-color: #242424; 
			padding: 10px; 
} 

main { 
			flex: 2; 
} 

.columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    align-items: flex-start;
}

h2 {
    font-size: 1rem;
    font-weight: bold;
    margin: 0 0 0.75rem 0;
    text-transform: lowercase;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    color: #0000cc;
    text-decoration: underline;
}

a:visited {
    color: #551a8b;
}

a:hover {
    color: #cc0000;
}

@media (max-width: 700px) {
    .columns {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}