* {
  box-sizing: border-box;
}

body {
  --bg: hsl(220, 20%, 98%);
  max-width: 30rem;
  margin: 0 auto;
  padding: 2rem;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  color: hsl(220, 20%, 20%);
  background-color: var(--bg);
}

label,
input,
button,
textarea {
  display: block;
  font: inherit;
  color: inherit;
}

input,
textarea,
fieldset,
button {
  width: 100%;
  border: 1px solid hsl(220, 10%, 75%);
}

textarea {
  resize: vertical;
}

input[type="radio"],
input[type="checkbox"] {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px) !important;
  overflow: hidden !important;
}

[type="checkbox"] + label,
[type="radio"] + label {
  display: flex;
  align-items: center;
}

[type="checkbox"] + label::before,
[type="radio"] + label::before {
  content: "";
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid hsl(220, 10%, 75%);
  background-color: #fff;
  margin-right: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
}

[type="radio"] + label::before {
  border-radius: 50%;
}

[type="radio"]:checked + label::before {
  /* background-color: hsl(220, 30%, 40%); */
  background-image: radial-gradient(
    hsl(220, 30%, 40%),
    hsl(220, 30%, 40%) 40%,
    transparent 40%,
    transparent
  );
  /* box-shadow: inset 0 0 0 0.25em var(--bg); */
}

[type="checkbox"]:checked + label::before {
  color: hsl(220, 30%, 40%);
  content: "✔︎";
}

form > * + * {
  margin-top: 1.5rem;
}

fieldset > * + * {
  margin-top: 0.5rem;
}

input,
textarea {
  margin-top: 0.5rem;
  padding: 0.5rem 0.5rem;
}

button {
  padding: 0.75rem 0.5rem;
  background-color: hsl(220, 20%, 96%);
  transition: background-color 0.2s;
}

button:hover {
  background-color: hsl(220, 20%, 90%);
}

input:focus,
textarea:focus,
button:focus,
[type="checkbox"]:focus + label::before,
[type="radio"]:focus + label::before {
  box-shadow: 0 0 0 3px hsl(220, 70%, 70%);
}