assets/css/_reset.scss
@mixin global-reset {
  html, body, div, span, applet, object, iframe,
  h1, h2, h3, h4, h5, h6, p, blockquote, pre,
  a, abbr, acronym, address, big, cite, code,
  del, dfn, em, img, ins, kbd, q, s, samp,
  small, strike, strong, sub, sup, tt, var,
  dl, dt, dd, ol, ul, li,
  fieldset, form, label, legend,
  table, caption, tbody, tfoot, thead, tr, th, td {
    @include reset-box-model;
    @include reset-font;
  }
  
  body {
    @include reset-body;
  }

  ol, ul {
    list-style: none;
  }

  table {
    @include reset-table;
  }

  caption, th, td {
    @include reset-table-cell;
  }

  a img {
    border: none;
  }
}

@mixin reset-box-model {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
}

@mixin reset-font {
  font-weight: inherit;
  font-style: inherit;
  font-family: inherit;
  font-size: 100%;
  vertical-align: baseline;
}

@mixin reset-body {
  line-height: 1;
  color: black;
  background: white;
}

@mixin reset-table {
  border-collapse: separate;
  border-spacing: 0;
  vertical-align: middle;
}

@mixin reset-table-cell {
  text-align: left;
  font-weight: normal;
  vertical-align: middle;
}

@mixin clearfix {
  &:before,
  &:after {
    content: "";
    display: table;
  }

  &:after {
    clear: both;
  }
}