* {
  box-sizing: border-box;
}

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

html {
  font-size: @font-size-pixels;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  @media screen and (min-width: @screen-xl) {
    font-size: @font-size-pixels-xl;
  }
  @media screen and (max-width: @grid-float-breakpoint-max) {
    font-size: @font-size-pixels-sm;
  }
  height: 100%;
}

body {
  font-family: @font-family-base;
  font-size: @font-size-base;
  line-height: @line-height-base;
  color: @text-color;
  background-color: @body-bg;
  height: 100%;
}

input,
button,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

figure {
  margin: 0;
}

img {
  vertical-align: middle;
}

.img-responsive {
  .img-responsive();
}

// Image thumbnails
//
// Heads up! This is mixin-ed into thumbnails.less for `.thumbnail`.
.img-thumbnail {
  padding: @thumbnail-padding;
  line-height: @line-height-base;
  background-color: @thumbnail-bg;
  border: 1px solid @thumbnail-border;
  border-radius: @thumbnail-border-radius;
  .transition(all .2s ease-in-out);

  // Keep them at most 100% wide
  .img-responsive(inline-block);
}

hr {
  margin-top: @space;
  margin-bottom: @space;
  border: 0;
  border-top: 1px solid @hr-border;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

[role="button"] {
  cursor: pointer;
}