To add formatting to the links in the footer to make them visible against the background color and apply a hover effect, you can use CSS. Here's an example:

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/* Format the links in the footer */
footer a {
  color: white; /* add a contrasting color to make the links visible */
  text-decoration: none; /* remove underlines */
  padding: 0.5em; /* add padding to create space around the links */
}

/* Apply hover effect to the links in the footer */
footer a:hover {
  background-color: grey; /* change the background color when hovering */
  color: yellow; /* change the text color when hovering */
}

To apply padding to the header, footer, article, nav, and aside containers, you can use CSS. Here's an example:

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/* Apply padding using em units */
header, footer, article, nav, aside {
  padding: 1em; /* set padding to the same value as the font size */
}

To allow the image to resize with the browser, you can use CSS. Here's an example:

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/* Allow the image to resize */
img {
  max-width: 100%; /* set the maximum width to 100% of its container */
  height: auto; /* maintain aspect ratio of the image */
}

To format the main container to display flex with a column flex direction and flex order of 5, you can use CSS. Here's an example:

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/* Format the main container */
main {
  display: flex; /* enable flexbox */
  flex-direction: column; /* stack its children vertically */
  order: 5; /* set the flex order */
}

To format the section selector to display flex with a row direction, you can use CSS. Here's an example:

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/* Format the section selector */
section {
  display: flex; /* enable flexbox */
  flex-direction: row; /* lay its children out horizontally */
}

Please note that these CSS examples assume you already have a basic HTML structure in place. Adjust the selectors as needed to target the correct elements in your code.

To style a button, you can use CSS. Here is an example of how you can style a button using CSS:

HTML:

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<button class="my-button">Click me!</button>

CSS:

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.my-button {
  background-color: blue;
  color: white;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  font-size: 16px;
}

.my-button:hover {
  background-color: lightblue;
}

In this example, we are targeting the button element with the class name "my-button". We set the background color to blue, the text color to white, and added some padding. We removed the default button border and changed the cursor to a pointer to indicate it is clickable. Finally, we added a hover effect that changes the background color to light blue when the button is hovered over.

You can adjust these styles to match the desired appearance of your button.

There are a few ways to achieve this effect, but one common approach is to use CSS to apply a background color to the element when the mouse hovers over it. Here's an example of how to do that:

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<p>Hover over this text to see a color box behind it.</p>

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p:hover {
  background-color: yellow;
}

In this example, we're using the CSS :hover pseudoclass to apply the background color to the

element when the mouse hovers over it. You can replace "yellow" with any other color you like.

Alternatively, if you want the color box to appear behind the entire container instead of just the text, you can use the same CSS but apply it to a containing div instead of the text element:

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<div class="container">
  <p>Text inside the container.</p>
</div>

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.container:hover {
  background-color: yellow;
}

This will apply the background color to the entire container when the mouse hovers over it, including any other elements inside it.

HTML:

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<img src="path/to/image" alt="image" class="hover-effect">

CSS:

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.hover-effect:hover {
  opacity: 0.8; /* or any desired opacity value */
}

JavaScript: (optional, for more advanced effects)

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/* You can use any JavaScript animation library or write your own */
$('.hover-effect').hover(function(){
  $(this).animate({
    opacity: 0.8 /* or any desired opacity value */
  });
}, function(){
  $(this).animate({
    opacity: 1 /* return to original opacity */
  });
});

To write a hover effect in HTML, you need to use CSS.

Here is the example code to achieve a hover effect on a button:

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button:hover {
  background-color: blue;
  color: white;
}

This code will change the background color of the button to blue and the text color to white when the mouse is hovered over the button.

You can also use selectors other than button and change other properties to achieve different hover effects.

Here is a link to Mozilla's CSS documentation on hover pseudo-class for more information: https://developer.mozilla.org/en-US/docs/Web/CSS/:hover