html {
  font-size: 20px;
}

body {
  margin: 0;
}

*, *:before, *:after {
  box-sizing: border-box;
}


/* -------------------------------------------------------------------------- */
/*                                Input groups                                */
/* -------------------------------------------------------------------------- */
.c-input-group {
  display: flex;
  gap: 4px;
}
.c-input-group input {
  width: 100%;
  font-size: 1rem;
  padding: 4px 8px;
}
.c-input-group label {
  display: block;
  margin-bottom: 2px;
}


/* -------------------------------------------------------------------------- */
/*                                  Fieldsets                                 */
/* -------------------------------------------------------------------------- */
.c-fieldsets {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

fieldset {
  max-width: 100%;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;

  flex-grow: 1;
}

.c-fieldsets + .c-button {
  margin-top: 16px;
}


/* -------------------------------------------------------------------------- */
/*                               Header, Footer                               */
/* -------------------------------------------------------------------------- */
header {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}


/* -------------------------------------------------------------------------- */
/*                                    Other                                   */
/* -------------------------------------------------------------------------- */
.c-button {
  font-size: 1rem;
  padding: 8px 16px;
  cursor: pointer;
}
.c-button--small {
  font-size: 0.8rem;
  padding: 4px 8px;
}