hacks-guide-minimal-mistakes-theme/_assets/css/_reset.scss

/* ==========================================================================
   STYLE RESETS
   ========================================================================== */

html {
  /* apply a natural box layout model to all elements */
  box-sizing: border-box;
  background-color: $background-color;
  font-size: 15px;
  @include breakpoint($medium) {
    font-size: 16px;
  }
  @include breakpoint($large) {
    font-size: 18px;
  }
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

/* apply a natural box layout model to all elements */
*, *:before, *:after {
  box-sizing: inherit;
}

/* Remove margin */

body { margin: 0; }

/* Selected elements */

::selection {
  color: #fff;
  background: #000;
}

/* Display HTML5 elements in IE6-9 and FF3 */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section {
  display: block;
}

/* Display block in IE6-9 and FF3 */

audio,
canvas,
video {
  display: inline-block;
  *display: inline;
  *zoom: 1;
}

/* Prevents modern browsers from displaying 'audio' without controls */

audio:not([controls]) {
  display: none;
}

/* Remove blue color */
a {
  color: inherit;
}

/* Apply focus state */

a:focus {
  @extend %tab-focus;
}

/* Remove outline from links */

a:hover,
a:active {
  outline: 0;
}

/* Prevent sub and sup affecting line-height in all browsers */

sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline;
}
sup {
  top: -0.5em;
}
sub {
  bottom: -0.25em;
}

/* img border in anchor's and image quality */

img {
  /* Responsive images (ensure images don't scale beyond their parents) */
  max-width: 100%; // part 1: Set a maximum relative to the parent
  width: auto\9; // IE7-8 need help adjusting responsive images
  height: auto; // part 2: Scale the height according to the width, otherwise you get stretching

  vertical-align: middle;
  border: 0;
  -ms-interpolation-mode: bicubic;
}

/* Prevent max-width from affecting Google Maps */

#map_canvas img,
.google-maps img {
  max-width: none;
}

/* Consistent form font size in all browsers, margin changes, misc */

button,
input,
select,
textarea {
  margin: 0;
  font-size: 100%;
  vertical-align: middle;
}
button,
input {
  *overflow: visible; // inner spacing ie IE6/7
  line-height: normal; // FF3/4 have !important on line-height in UA stylesheet
}
button::-moz-focus-inner,
input::-moz-focus-inner { // inner padding and border oddities in FF3/4
  padding: 0;
  border: 0;
}
button,
html input[type="button"], // avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio` and `video` controls
input[type="reset"],
input[type="submit"] {
    -webkit-appearance: button; // corrects inability to style clickable `input` types in iOS
    cursor: pointer; // improves usability and consistency of cursor style between image-type `input` and others
}
label,
select,
button,
input[type="button"],
input[type="reset"],
input[type="submit"],
input[type="radio"],
input[type="checkbox"] {
    cursor: pointer; // improves usability and consistency of cursor style between image-type `input` and others
}
input[type="search"] { // Appearance in Safari/Chrome
  box-sizing: content-box;
  -webkit-appearance: textfield;
}
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button {
  -webkit-appearance: none; // inner-padding issues in Chrome OSX, Safari 5
}
textarea {
  overflow: auto; // remove vertical scrollbar in IE6-9
  vertical-align: top; // readability and alignment cross-browser
}