videospeed/options.css

body {
  margin: 0;
  padding-left: 15px;
  padding-top: 53px;
  font-family: sans-serif;
  font-size: 12px;
  color: rgb(48, 57, 66);
  background-color: white;
}

h1,
h2,
h3 {
  font-weight: normal;
  line-height: 1;
  user-select: none;
  cursor: default;
}
h1 {
  font-size: 1.5em;
  margin: 21px 0 13px;
}
h3 {
  font-size: 1.2em;
  margin-bottom: 0.8em;
  color: black;
}
p {
  margin: 0.65em 0;
}

header {
  position: fixed;
  top: 0;
  left: 15px;
  right: 0;
  border-bottom: 1px solid #eee;
  background: linear-gradient(white, white 40%, rgba(255, 255, 255, 0.92));
}
header,
section {
  min-width: 600px;
  max-width: 738px;
}
section {
  padding-left: 18px;
  margin-top: 8px;
  margin-bottom: 24px;
}
section h3 {
  margin-left: -18px;
}

button {
  -webkit-appearance: none;
  position: relative;

  margin: 0 1px 0 0;
  padding: 0 10px;
  min-width: 4em;
  min-height: 2em;

  background-image: linear-gradient(#ededed, #ededed 38%, #dedede);
  border: 1px solid rgba(0, 0, 0, 0.25);
  border-radius: 2px;
  outline: none;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08),
    inset 0 1px 2px rgba(255, 255, 255, 0.75);
  color: #444;
  text-shadow: 0 1px 0 rgb(240, 240, 240);
  font: inherit;

  user-select: none;
}

input[type="text"] {
  width: 75px;
  text-align: center;
}

.row {
  margin: 5px 0px;
}

label {
  display: inline-block;
  width: 170px;
  vertical-align: top;
}

#status {
  color: #9d9d9d;
  display: inline-block;
  margin-left: 50px;
}

#faq {
  margin-top: 2em;
}

select {
  width: 170px;
}

.customForce {
  display: none;
  width: 250px;
}

.customKey {
  color: transparent;
  text-shadow: 0 0 0 #000000;
}

/* Dark mode styles */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #1a1a1a;
    color: #e0e0e0;
  }

  h3 {
    color: #ffffff;
  }

  header {
    border-bottom: 1px solid #333;
    background: linear-gradient(#1a1a1a, #1a1a1a 40%, rgba(26, 26, 26, 0.92));
  }

  button {
    background-image: linear-gradient(#404040, #404040 38%, #353535);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08),
      inset 0 1px 2px rgba(0, 0, 0, 0.75);
    color: #e0e0e0;
    text-shadow: 0 1px 0 rgb(20, 20, 20);
  }

  button:hover {
    background-image: linear-gradient(#4a4a4a, #4a4a4a 38%, #3f3f3f);
  }

  input[type="text"], 
  input[type="checkbox"],
  select,
  textarea {
    background-color: #2a2a2a;
    color: #e0e0e0;
    border: 1px solid #555;
  }

  input[type="text"]:focus,
  select:focus,
  textarea:focus {
    background-color: #333;
    border-color: #777;
    outline: none;
  }

  select option {
    background-color: #2a2a2a;
    color: #e0e0e0;
  }

  .customKey {
    color: transparent;
    text-shadow: 0 0 0 #e0e0e0;
  }

  #status {
    color: #888;
  }

  a {
    color: #66b3ff;
  }

  a:visited {
    color: #cc99ff;
  }

  hr {
    border-color: #333;
  }
}