whatjackhasmade

.visually-hidden { /*https://developer.yahoo.com/blogs/ydn/clip-hidden-content-better-accessibility-53456.html*/
    position: absolute !important;
    clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
    clip: rect(1px, 1px, 1px, 1px);
    padding:0 !important;
    border:0 !important;
    height: 1px !important;
    width: 1px !important;
    overflow: hidden;
}

whatjackhasmade

<meta property="og:image" content="" />
<meta property="og:description" content="" />
<meta property="og:title" content="" />
<meta property="og:locale" content="en_GB" />
<meta property="og:site_name" content="" />

whatjackhasmade

/*! normalize.css v7.0.0 | MIT License | github.com/necolas/normalize.css */

/* Document
   ========================================================================== */

/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in
 *    IE on Windows Phone and in iOS.
 */

whatjackhasmade

/*/////////////////////////////////////////
/// NOT
*/////////////////////////////////////////

 @mixin not($ignorList...) {
    //if only a single value given
    @if (length($ignorList) == 1){
        //it is probably a list variable so set ignore list to the variable
        $ignorList: nth($ignorList,1);
    }

whatjackhasmade

/*/////////////////////////////////////////
/// ACTIVE STATES
*/////////////////////////////////////////

@mixin active-states() {
    &:hover,
    &:focus,
    &:active { @content }
}

whatjackhasmade

/*/////////////////////////////////////////
/// MEDIA QUERIES
*/////////////////////////////////////////

/**
 * Mixins for defining media queries. These mixins should always be used
 * to define media query breakpoints.
 */

@mixin bp-min-width($width) {

whatjackhasmade

// Remove WP Emoji
remove_action('wp_head', 'print_emoji_detection_script', 7);
remove_action('wp_print_styles', 'print_emoji_styles');
remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
remove_action( 'admin_print_styles', 'print_emoji_styles' );

whatjackhasmade

// Remove jQuery Migrate Script from header and Load jQuery from Google API
function crunchify_stop_loading_wp_embed_and_jquery() {
	if (!is_admin()) {
		wp_deregister_script('wp-embed');
		wp_deregister_script('jquery');  // Bonus: remove jquery too if it's not required
	}
}
add_action('init', 'crunchify_stop_loading_wp_embed_and_jquery');

whatjackhasmade

function register_my_custom_menu_page() {
    add_menu_page( 'Page Title', 'Menu Title', 'manage_options', '../wp-content/themes/index.html', '', 'dashicons-book', 3 );
}
add_action( 'admin_menu', 'register_my_custom_menu_page' );

whatjackhasmade

// Allow SVG files to be uploaded to the media library
add_filter( 'wp_check_filetype_and_ext', function($data, $file, $filename, $mimes) {

  global $wp_version;
  if ( $wp_version !== '4.7.1' ) {
     return $data;
  }

  $filetype = wp_check_filetype( $filename, $mimes );