components/sass/init/_reset.scss

html {
  box-sizing: border-box;
  text-rendering: optimizeLegibility;

  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
}

*,
*::before,
*::after {
  margin: 0; padding: 0;

  border: none;
  box-sizing: inherit;
  outline: 0;
  user-select: none;
}

a,
area,
button,
[role="button"],
input,
label,
select,
summary,
textarea {
  // Remove touch delay on supported devices
  touch-action: manipulation;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;

  &:disabled {
    cursor: default;
    pointer-events: none;
  }
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}

ol,
ul {
  list-style-position: inside;

  > li {
    list-style-position: inside;
  }
}

ul {
  list-style-type: none;
}

label {
  &[for] {
    cursor: pointer;
  }
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

dd {
  width: 80%;
  float: left;
}

dl {
  width: 100%;
  overflow-x: scroll;
  overflow-y: hidden;
}

dt {
  width: 20%;
  float: left;
}

img {
  width: auto; max-width: 100%;
  height: auto; max-height: 100%;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background-color: transparent;
  color: inherit;

  &:not(:disabled) {
    cursor: pointer;
  }

  &:disabled {
    opacity: 0.3;
  }
}

input {
  background-color: transparent;
  color: inherit;
  // line-height: 1; // this can differ across apps

  &::placeholder {
    color: inherit;
    opacity: 0.3;
  }

  &:not(:disabled) {
    color: inherit;
  }

  &:not([type="checkbox"]),
  &:not([type="file"]),
  &:not([type="radio"]),
  &:not([type="select"]) {
    cursor: text;
  }

  &[type="checkbox"]:not(:disabled),
  &[type="file"]:not(:disabled),
  &[type="radio"]:not(:disabled),
  &[type="select"]:not(:disabled) {
    cursor: pointer;
  }

  &::-webkit-search-cancel-button {
    -webkit-appearance: none;
  }
}

textarea {
  width: 100%;
  padding: var(--spacing-xs);
  // border-color should be added in apps for blur/focus
  border: 1px solid;
}