WordPress theme development CSS core

December 19, 2013 | PHP, Themes, Time Savers, Troubleshooting, Wordpress | 2 comments

I write a lot of themes for my clients and, like a lot of other professional developers, use a base theme to start from. The theme I use is the fabulous Bones by Themble however every single time I write a new site and start to put the content in I come across a colossal gotcha.. there is no WP core CSS in there.

In V2.5 WordPress started using some core CSS classes for the alignment of images, galleries and captions. If you have ever uploaded an image and chosen the ‘align’ option to inlay or position it you will have applied these classes yourselves. In the latest version references to alignleft and alignright, the key ones people would use, are confined to the mobile sized responsive breakpoint.

This is not an attack on Bones.. I love the theme and use it for everything.. it’s just the example I use. In fact I guarantee a large portion of ground up (ie non derived from TwentyTen or something) themes would omit this CSS. Rhis hopefully will serve as a reminder for me, and others, to add this core CSS to avoid hair pulling incidents when the data entry process begins and images don’t look right! 🙂

The code

.alignnone {
    margin: 5px 20px 20px 0;
}

.aligncenter,
div.aligncenter {
    display: block;
    margin: 5px auto 5px auto;
}

.alignright {
    float:right;
    margin: 5px 0 20px 20px;
}

.alignleft {
    float: left;
    margin: 5px 20px 20px 0;
}

.aligncenter {
    display: block;
    margin: 5px auto 5px auto;
}

a img.alignright {
    float: right;
    margin: 5px 0 20px 20px;
}

a img.alignnone {
    margin: 5px 20px 20px 0;
}

a img.alignleft {
    float: left;
    margin: 5px 20px 20px 0;
}

a img.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto
}

.wp-caption {
    background: #fff;
    border: 1px solid #f0f0f0;
    max-width: 96%; /* Image does not overflow the content area */
    padding: 5px 3px 10px;
    text-align: center;
}

.wp-caption.alignnone {
    margin: 5px 20px 20px 0;
}

.wp-caption.alignleft {
    margin: 5px 20px 20px 0;
}

.wp-caption.alignright {
    margin: 5px 0 20px 20px;
}

.wp-caption img {
    border: 0 none;
    height: auto;
    margin: 0;
    max-width: 98.5%;
    padding: 0;
    width: auto;
}

.wp-caption p.wp-caption-text {
    font-size: 11px;
    line-height: 17px;
    margin: 0;
    padding: 0 4px 5px;
}

Further reading

http://codex.wordpress.org/CSS

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2 Comments

    • Sean

      Thanks Warren, will give it a look-see. Seems ok at a glance. Might try my next build with it and see what breaks 🙂

      Reply

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Sean Barton is a Freelance PHP Website Developer in Crewe, Cheshire. He is a Wordpress and CMS/Framework specialist.
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