csslayout/contents/fixed-at-corner.md

layout, title, description, keywords

layout	title	description	keywords
layouts/post.njk	Fixed at corner	Fix an element at corner with CSS	css fixed

HTML

<div class="fixed-at-corner">
    <!-- Top-left corner -->
    <div class="fixed-at-corner__corner fixed-at-corner__corner--tl">
        ...
    </div>

    <!-- Top-right corner -->
    <div class="fixed-at-corner__corner fixed-at-corner__corner--tr">
        ...
    </div>

    <!-- Bottom-right corner -->
    <div class="fixed-at-corner__corner fixed-at-corner__corner--br">
        ...
    </div>

    <!-- Bottom-left corner -->
    <div class="fixed-at-corner__corner fixed-at-corner__corner--bl">    
        ...
    </div>
</div>

CSS

.fixed-at-corner {
    position: relative;
}

.fixed-at-corner__corner {
    position: absolute;
}

.fixed-at-corner__corner--tl {
    left: 0;
    top: 0;
}

.fixed-at-corner__corner--tr {
    top: 0;
    right: 0;
}

.fixed-at-corner__corner--br {
    bottom: 0;
    right: 0;
}

.fixed-at-corner__corner--bl {
    bottom: 0;
    left: 0;
}

{% demo %} {% include "covers/fixed-at-corner.njk" %} {% enddemo %}