:root {
  --text: #22222;
  --bg: #f9f9f9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #fff;
    --bg: #000;
  }
  h1,h2,h3,li{
    color:white;
  }
  a{
    color:lightblue;
  }
}

* {
  box-sizing: border-box;
}

body {
  font-family: helvetica, arial, sans-serif;
  margin: 25px;
  background-color: var(--bg);
}

h1 {
  font-weight: bold;
  color: pink;
}

.bold {
  font-weight: bold;
}

p,li {
  max-width: 75vw;
  color: var(--text);
}

form {
  margin-bottom: 25px;
  padding: 15px;
  background-color: cyan;
  display: inline-block;
  width: 100%;
  max-width: 340px;
  border-radius: 3px;
}

input {
  display: block;
  margin-bottom: 10px;
  padding: 5px;
  width: 100%;
  border: 1px solid lightgrey;
  border-radius: 3px;
  font-size: 16px;
}

button {
  font-size: 16px;
  border-radius: 3px;
  background-color: lightgrey;
  border: 1px solid grey;
  box-shadow: 2px 2px teal;
  cursor: pointer;
}

button:hover {
  background-color: yellow;
}

button:active {
  box-shadow: none;
}

li {
  margin-bottom: 5px;
}

footer {
  margin-top: 50px;
  padding-top: 25px;
  border-top: 1px solid lightgrey;
}

footer > a {
  color: #BBBBBB;
}

.nicejob {
  text-decoration: line-through;
}

h2[id] a:after{
  font-size:smaller;
  content:'🔗';
  color:lightgray;
  filter:grayscale(1);
  cursor:pointer;
}
h2:hover[id] a:after{
  color:black;
  filter:grayscale(0);
}

h2[id] a{
  text-decoration:none;
  color:inherit;
}
h2[id] a:visted,
h2[id] a:link{
  color:inherit
}

.flex-container{
  display:flex;
  align-items:flex-end;
}