:root {
  color-scheme: light dark;
}
* {
  box-sizing: border-box;
}
html,
body {
  font-family: sans-serif;
  margin: 2em auto;
}
form > * {
  display: flex;
  margin: 0.4em 0;
}
form > * div {
  margin-left: 0.25em;
}
form > * div:first-child {
  margin-left: 0;
  margin-right: 0.25em;
}
@media (max-width: 639px) {
  input,
  button,
  select,
  textarea {
    font-size: 16px;
  }
}
.help-text {
  font-size: 0.8rem;
  display: block;
}
.home-container {
  max-width: 22em;
}
.backwards {
  display: flex;
  flex-direction: row-reverse;
}
.backwards input {
  margin-left: 1em;
}
.notice {
  background-color: rgba(255, 255, 0, 0.333);
  padding: 0.5em 1em;
  border-radius: 4px;
}
.text-gray {
  color: gray;
}
.container-md {
  max-width: 40em;
  margin: 1em auto;
  padding: 0.5em;
}
.container-md img,
.container-md video {
  max-width: 100%;
  height: auto;
}
.vbox {
  flex-direction: column;
}
.vbox > * {
  display: block;
  margin-bottom: 0.5em;
}
header {
  margin-bottom: 2.5em;
}
blockquote {
  padding-left: 1em;
  margin-left: 0;
  border-left: 0.2em solid gray;
}
hr {
  border: 1px dashed gray;
}
.post {
  padding-bottom: 0.25em;
  border-bottom: 1px solid gray;
}
.post:nth-last-child(2) {
  border-bottom: 0;
}
.post h3 {
  margin-bottom: 0.5em;
}
footer {
  font-size: 0.8rem;
  margin-top: 1rem;
  color: gray;
  padding-top: 0.5rem;
  border-top: 1px solid gray;
}