How to Achieve CSS Styling Compatibility for Older Internet Explorer Versions (7, 8, 9)?

Enhancing CSS Styling for Internet Explorer 7, 8, and 9

In the realm of web development, achieving compatibility across various browsers is paramount. When it comes to Internet Explorer (IE), browsers as old as versions 7, 8, and 9 require specific considerations to ensure optimal rendering.

One common challenge is modifying CSS styles exclusively for these IE browsers. Consider the CSS block provided:

<code class="css">.actual-form table {
  padding: 5px 0 15px 15px;
  margin: 0 0 30px 0;
  display: block;
  width: 100%;
  background: #f9f9f9;
  border-top: 1px solid #d0d0d0;
  border-bottom: 1px solid #d0d0d0;
}</code>

If you desire to apply the width: 100% property to IE 7, 8, and 9 alone, a straightforward solution exists. Utilizing the following CSS code will accomplish this task:

<code class="css">@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
   .actual-form table {
        width: 100%;
   }
}</code>

Explanation:

This code employs a Microsoft-specific media query. The -ms-high-contrast property, unique to IE, will only be interpreted by IE 10 or later. By specifying both valid values (active and none) for this property, Internet Explorer will apply the specified styles regardless of the user's high contrast settings.

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