KNACSS/sass/_library/_wordpress.scss

/* ----------------------------- */
/* ==WordPress reset             */
/* ----------------------------- */

/*
Author: Geoffrey Crofte, Alsacréations
Contributors: Automattic, Geoffrey Crofte
Description: Reset styles for WordPress usage of KNACSS
*/

// current menu elements
.current_page_item > a {
}
.current-menu-item > a {
}
.current_page_ancestor > a {
}

// blocks of content navigation
.comment-navigation,
.paging-navigation,
.post-navigation {
  overflow: hidden;
  margin: 0 0 1.5em;

  & .nav-previous {
    float: left;
    width: 50%;
  }

  & .nav-next {
    float: right;
    width: 50%;
    text-align: right;
  }
}

// class in img elements
.alignnone {
  margin: .25em 1.5em 1.5em 0;
}

.aligncenter {
  clear: both;
  display: block;
  margin: 1.5em auto;
}

.alignleft {
  float: left;
  margin: 0 1.5em .25em 0;
}

.alignright {
  float: right;
  margin: 0 0 .25em 1.5em;
}

.entry-content,
.comment-content {
  clear: both;

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

.widget + .widget {
  margin: 1.5em 0 0;
}

// usage example:
.widget select {
  max-width: 100%;
}

/* === 5.1 Posts - post_class === */

// featured content
.sticky {
}

// attachment post
.attachment {
}

// format of post
.format- {
  &aside {
  }
  &gallery {
  }
  &link {
  }
  &image {
  }
  &quote {
  }
  &status {
  }
  &video {
  }
  &chat {
  }
}

// class for a tag
.tag- {
  &name-of-tag {
  }
}

// class for category
.category- {
  &name-of-category {
  }
}

/* === 5.2 Pages - body_class === */

// front page
.home {
  // if display posts
  &.blog {
  }

  // if static page
  &.page {
  }
}

// page displays posts
.blog {
  // if is frontpage
  &.home {
  }

  // if static page
  &.page {
  }
}

// simple page
.page {
}

// page of single post
.single {
}

// page of archives
.archive {
}

// page of search
.search {
  // if has results
  .search-results {
  }

  // if has no results
  .search-no-results {
  }
}

// page 404
.error404 {
}

// user logged in
.logged-in {
}

// text direction if right-to-left
// prefer rtl.css: http://codex.wordpress.org/Right-to-Left_Language_Support
.rtl {
}

/* === 5.3 Posts and Pages - Contents === */

.hentry {
  margin: 0 0 1.5em;
}

.page-content,
.entry-content,
.entry-summary {
  margin: 1.5em 0 0;
}

.page-links {
  clear: both;
  margin: 0 0 1.5em;
}

.comment-content a {
  word-wrap: break-word;
}

.bypostauthor {
  // some make-the-logo-bigger styles
}

img.wp-smiley {
  margin-bottom: 0;
  margin-top: 0;
  padding: 0;
  border: none;
}

.wp-caption {
  max-width: 100%;
  margin-bottom: 1.5em;
}

.wp-caption img {
  display: block;
  margin: 0 auto;
}

.wp-caption-text {
  margin: 1em 0;
  text-align: center;
}

.gallery {
  margin-bottom: 1.5em;
}

.gallery-item {
  display: inline-block;
  width: 100%;
  text-align: center;
  vertical-align: top;

  @for $i from 2 through 9 {
    .gallery-columns-#{$i} & {
      $w: floor(10000 / $i) / 100;
      max-width: unquote($w + '%');
		}
	}
}

.gallery-caption {
  display: block;
}