In CSS, you can remove an extra border with the border: none; property. Here is an example shown in the JSfiddle below:

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div {
  border: none;
}

https://jsfiddle.net/rjzgy1r8/

You can try using the object-fit CSS property to ensure that images scale to the size of their containing elements. In your example, you could use the following code to make sure that the image is proportionally resized to fit within the h2 element's border:

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h2 img {
    object-fit: cover;
}

The difference between margin and padding is that margin applies to the outside of an element and padding applies to the inside of an element. Margin is the amount of space between your element and any other elements, while padding is the amount of space between the edges of your element and any content within it.

For example, if you have an element such as a

In CSS, you can create a border using the border property. For example, a 3px solid black border can be added to an element like this:

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div {
border: 3px solid black;
}

For more information, see MDN Documentation - CSS border.

Try adjusting your padding, margin, and/or border settings. Depending on the language you are using, different properties may be applicable. This CSS Tricks article on horizontal alignment provides an overview of how to horizontally align different elements in CSS.

You can use the CSS border property to add a border to images. The border property takes the following syntax:

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img { 
  border: <width> <style> <color>;
}

The width value determines the thickness of the border. Common values are 1px or 2px.

The style value determines the type of border. Common values are solid, dotted, dashed or double.

The color value determines the color of the border. This can be a hexadecimal color code, an RGB color code or one of the standard colors (e.g. black).

For more information on the border property, refer to the Mozilla Developer Network Web Documentation.

Example:

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img { 
  border: 2px dashed orange;
}

Using CSS, you can add a blue box border around the button using the border property. For example:

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button {
  border: 2px solid blue;
}

This will add a 2-pixel-wide blue border around the button. Further examples and explanations of the various properties associated with borders can be found in this MDN Documentation.

You can use the border CSS attribute to add a border to an image. For example:

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img {
  border: 1px solid #000000;
}

This code will add a 1 pixel solid black border to an <img> element on an HTML page. More information can be found here.

Adding a border to HTML elements can be done using the CSS border property. Here is an example:

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div {
    border: 5px solid black;
}

The border property takes the format border: [width] [style] [color]. The width (5px in this example) determines the thickness of the border, the style (solid) determines the type of border (solid, dotted, etc.), and the color (black) determines the color of the border.

For more detailed usage, please refer to this documentation by W3Schools: https://www.w3schools.com/css/css_border.asp.

To change the border color of a card in Bootstrap, you can use the border property in CSS. Here is an example:

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.card {
  border: 1px solid #000;
}

For more complicated styling, you can use the borders utilities provided by Bootstrap, such as .border-primary for a blue border. More information can be found in the Bootstrap Documentation.

In CSS, padding is the space between an element's border and its content. By specifying a padding value, we can control how much space is added around an element's content. The syntax for padding is padding: top right bottom left;, or a single value to apply the same padding on all four sides of an element. In the following example, padding of 10px has been applied to an element:

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.element {
    padding: 10px;
}

If only two values are specified, the first value applies to the top and bottom, and the second value applies to the left and right. If only three values are specified, the first value applies to the top, the second to the left and right, and the third to the bottom.

More information on CSS padding can be found here.