Hide CSS class only in single post pages

This worked for me:

<?php if( is_single() ) : ?>
<style id="my-internal-css">
    .frame-content {
       display: none !important;
    }
</style>
<?php endif; ?>

Related Posts:

  1. Failed to load resource: the server responded with a status of 404 (Not Found)
  2. Failed to load resource: the server responded with a status of 404 (Not Found)
  3. How can I scroll to an element using jQuery?
  4. What is the meaning of == $0 that is shown in inspect element of google chrome for the selected element [duplicate]
  5. Bootstrap Dropdown menu is not working
  6. Change Background color (css property) using Jquery
  7. Set timeout for ajax (jQuery)
  8. How does the data-toggle attribute work? (What’s its API?)
  9. CSS height 100% percent not working
  10. Use images like checkboxes
  11. Completely disable scrolling of webpage
  12. Uncaught TypeError: Cannot read property ‘top’ of undefined
  13. Full-screen iframe with a height of 100%
  14. How to print HTML content on click of a button, but not the page?
  15. Bootstrap 4 Dropdown Menu not working?
  16. Why is the jquery script not working?
  17. Textarea Auto height
  18. Why is marquee deprecated and what is the best alternative?
  19. Refresh/reload the content in Div using jquery/ajax
  20. How to write inside a DIV box with javascript
  21. How to get height of div in px dimension
  22. Crop the image using JavaScript
  23. Force div to be topmost element of any and all webpages
  24. Retrieve the position (X,Y) of an HTML element
  25. How to display raw JSON data on a HTML page
  26. how to display a div triggered by onclick event
  27. Why is jquery show() not working in example
  28. jQuery scrollTop() method not working
  29. Change an image with onclick()
  30. JavaScript – Count Number of Visitor for Website
  31. Creating Accordion Table with Bootstrap
  32. Fully responsive HTML5 video
  33. How to create checkbox inside dropdown?
  34. Positioning
  35. Adding Google Translate to a web site
  36. Cannot read property ‘style’ of undefined — Uncaught Type Error
  37. How to make HTML element resizable using pure Javascript?
  38. How to use aria-expanded=”true” to change a css property
  39. How to set “style=display:none;” using jQuery’s attr method?
  40. WordPress Bootstrap Handburger Menu Wont Open
  41. Maximum call stack size exceeded error
  42. How to make a word underline in Markdown
  43. ChartJS beginAtZero, min, max doesn’t work
  44. how to fix : ” TypeError: Cannot read property ‘addEventListener’ of null”…?//
  45. ReferenceError: $ is not defined
  46. React.js: Set innerHTML vs dangerouslySetInnerHTML
  47. jQuery.click() vs onClick
  48. Set cookie and get cookie with JavaScript
  49. Add swipe left/right to web page, but use default swipe up/down
  50. Check if checkbox is checked with jQuery
  51. Angular: mat-form-field must contain a MatFormFieldControl
  52. Failed to load resource: net::ERR_FILE_NOT_FOUND loading json.js
  53. Get class name using jQuery
  54. How to clear the canvas for redrawing
  55. How to change css property using javascript
  56. JavaScript get element by name
  57. JavaScript Loading Screen while page loads
  58. How do I scroll to an element using JavaScript?
  59. Angular: conditional class with *ngClass
  60. character counter – backspace doesn’t reflect on characters remaining
  61. Open URL in same window and in same tab
  62. How to convert selected HTML to Json?
  63. How to Open New window on every Click
  64. How to add multiple classes to a ReactJS Component?
  65. How to move an element after another element using JS or jquery?
  66. How to use Javascript to read local text file and read line by line?
  67. DOMException: Failed to load because no supported source was found
  68. TypeError: $(…).DataTable is not a function
  69. CSS Animation onClick
  70. Partial render in HTML/JavaScript
  71. How to add onload event to a div element
  72. Print the contents of a DIV
  73. Showing an image from an array of images – Javascript
  74. Embedding instagram webpage inside an iframe
  75. Set value to currency in
  76. HTML Entity Decode
  77. HTML5 rich-text inside textarea
  78. How do I check if a cookie exists?
  79. Highlight a word with jQuery
  80. How do I refresh a DIV content?
  81. jQuery sort elements using data id
  82. JavaScript code to stop form submission
  83. Closing Bootstrap modal onclick
  84. Fire oninput event with jQuery
  85. How to create a hidden in JavaScript?
  86. window.location() not working, not opening page
  87. How to clear the canvas for redrawing
  88. Default text on input
  89. Local wordpress install only shows home page, all other pages Not Found
  90. Write text below a specific part of a sentence
  91. How to create fa-bars animated menu
  92. How to Add a Read-only Textbox With Text in it That Has a Button to Copy it?
  93. Putting custom html/js page into Elementor as it’s own block
  94. Hide Tab Titles from Tabs Block
  95. Add other class content with reference class value
  96. WordPress Slider is not working
  97. How would I add this code to a single WordPress page?
  98. Trouble with adding preloader to my home page index.html and index.js
  99. Element works, but not on wordpress site [duplicate]
  100. Can I upload my HTML/CSS/Javascript game onto a WordPress page?