Html image css top

Содержание

How to float one image over another
HTML-CSS Source Code
HTML-CSS Source Code
z-index
object-position
Try it
Syntax
Values
Formal definition
Formal syntax
Examples
Positioning image content
HTML
CSS
Result
Specifications
Browser compatibility
See also
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Support
Our communities
Developers
How to Position an Image in CSS?
Pre-requisite
Syntax
Methods
Conclusion
How to Position One Image on Top of Another in HTML/CSS
Create HTML
Add CSS
Example of positioning an image on top of another using the position property:
Result
Example of positioning an image on top of another using the position and z-index properties:
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How to float one image over another

In many situations you may want to position one image on top of another image. There are many ways to achieve this using HTML and CSS. You can find here some easiest methods from this lesson.

The following HTML-CSS code placing one image on top of another by create a relative div that is placed in the flow of the page. Then place the background image first as relative so that the div knows how big it should be. Next is to place the overlay image as absolutes relative to the upper left of the first image.

HTML-CSS Source Code

position: relative — In relative position method , you can position the element relative to its normal position. In this case you should use left or right and top or bottom to move the element relative to its container.

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position: absolute — When we position an element as Absolute , that element is is completely removed from the document`s normal flow. In Absolute position, the position is set through some combination of left, right, top and bottom properties.

Next approach is using z-index to put an image on top of another image.

HTML-CSS Source Code

z-index

While overlapping CSS elements, when using absolute and relative position, the default behavior is to have the first elements underneath later ones. In these cases we can control layering of positioned elements by using the z-index property . When using the z-index property you can specify which of the boxes appears on top the other one.

object-position

The object-position CSS property specifies the alignment of the selected replaced element’s contents within the element’s box. Areas of the box which aren’t covered by the replaced element’s object will show the element’s background.

You can adjust how the replaced element’s object’s intrinsic size (that is, its natural size) is adjusted to fit within the element’s box using the object-fit property.

Try it

Syntax

/* Keyword values */ object-position: top; object-position: bottom; object-position: left; object-position: right; object-position: center; /* values */ object-position: 25% 75%; /* values */ object-position: 0 0; object-position: 1cm 2cm; object-position: 10ch 8em; /* Edge offsets values */ object-position: bottom 10px right 20px; object-position: right 3em bottom 10px; object-position: top 0 right 10px; /* Global values */ object-position: inherit; object-position: initial; object-position: revert; object-position: revert-layer; object-position: unset;

Values

From one to four values that define the 2D position of the element. Relative or absolute offsets can be used.

Note: The position can be set so that the replaced element is drawn outside its box.

Formal definition

Initial value	50% 50%
Applies to	replaced elements
Inherited	yes
Percentages	refer to width and height of element itself
Computed value	as specified
Animation type	a repeatable list of

Formal syntax

object-position =

=
[ left | center | right ] || [ top | center | bottom ] |
[ left | center | right | ] [ top | center | bottom | ]? |
[ [ left | right ] ] && [ [ top | bottom ] ]

=
|

Examples

Positioning image content

HTML

img id="object-position-1" src="mdn.svg" alt="MDN Logo" /> img id="object-position-2" src="mdn.svg" alt="MDN Logo" />

CSS

The CSS includes default styling for the element itself, as well as separate styles for each of the two images.

img  width: 300px; height: 250px; border: 1px solid black; background-color: silver; margin-right: 1em; object-fit: none; > #object-position-1  object-position: 10px; > #object-position-2  object-position: 100% 10%; >

The first image is positioned with its left edge inset 10 pixels from the left edge of the element’s box. The second image is positioned with its right edge flush against the right edge of the element’s box and is located 10% of the way down the height of the element’s box.

Result

Specifications

Browser compatibility

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Support

Our communities

Developers

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How to Position an Image in CSS?

The image position in CSS can be changed by using CSS properties like object-position property and float property. Object-position property is used to align the position with respect to the x,y coordinates of the image within its container. The float property is used to float an element inside the container toward the left or right side.

Pre-requisite

You should know how to use CSS properties on elements. This article will explain the object-position property and float property with an example that will be easy to understand.

Syntax

1. object-position property: The Syntax of object position property :

position can be a numerical value that specifies the distance from the left of the content box( i.e x axis ) and the distance from the top of the content box (i.e., y-axis). It can also take values like left, right, top, bottom, and initial and inherit them as a string to specify the position.

2. Float property : The Syntax of the float property :

Methods

Method 1: Using object-position Property

object-position property: The object position property is used to position any element within a container to the required position within the container. The < img >element or < video >element are mostly positioned within a container using the object position property.

The Syntax for the object position property is

Position can take numerical , specific string values , percentage , length , and edge offsets values . Some values are shown in the examples below.

Example Let’s see a simple example of object position property and place the img to the top left of the container.

Method 2: Using float Property

float property: float property is used to change the image position in CSS to the extreme left or extreme right of the container. Float is used to position an element only horizontally. The Syntax of the float property is as follows:

left: place the element to the extreme left of the container right: place the element to the extreme right of the container inherit: inherits floating property from its parent (div, semantic element, etc.) none: element is displayed at its original position as it is.

Some examples of float properties values are as follows:

Let’s take an example in which float property is being used on an actual image :

The output of the above HTML code using the float right property is:

Conclusion

object-property and float properties are used to position an element inside a container.
object-position property can be used to change the image position in CSS both horizontally as well as vertically within the container of the image.
float property can be used to change the image position in CSS horizontally within the container of the image.
The position property in the object position can take both numerical values as well as some specified string values like left, right, top and bottom.
Float property takes some specific values like left, right, inherit, and none.

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How to Position One Image on Top of Another in HTML/CSS

Sometimes, you may need to position one image on top of another. This can be easily done with HTML and CSS. For that, you can use the CSS position and z-index properties.

First, we are going to show an example where we use the position property.

Create HTML

The first image will be the background image and the second will overlay it.

div class="parent"> img class="image1" src="/uploads/media/default/0001/01/25acddb3da54207bc6beb5838f65f022feaa81d7.jpeg" /> img class="image2" src="/uploads/media/default/0001/01/25acddb3da54207bc6beb5838f65f022feaa81d7.jpeg" /> div>

Add CSS

Add a relative div placed in the flow of the page.
Set the background image as relative so as the div knows how big it must be.
Set the overlay as absolute, which will be relative to the upper-left edge of the container div.

We place the background image at the beginning of the container, and then we will set the overlay image to start from 30 pixels after the background.

.parent < position: relative; top: 0; left: 0; > .image1 < position: relative; top: 0; left: 0; border: 1px solid #000000; > .image2 < position: absolute; top: 30px; left: 30px; border: 1px solid #000000; >

Let’s see the full example.

Example of positioning an image on top of another using the position property:

html> html> head> title>Title of the document title> style> .parent < position: relative; top: 0; left: 0; > .image1 < position: relative; top: 0; left: 0; border: 1px solid #000000; > .image2 < position: absolute; top: 30px; left: 30px; border: 1px solid #000000; > style> head> body> div class="parent"> img class="image1" src="/uploads/media/default/0001/01/25acddb3da54207bc6beb5838f65f022feaa81d7.jpeg" /> img class="image2" src="/uploads/media/default/0001/01/25acddb3da54207bc6beb5838f65f022feaa81d7.jpeg" /> div> body> html>

Result

In this example, we used both the relative and absolute values of the position property. The relative value places an element relative to its normal position. The absolute value removes elements from the document flow, and elements are positioned relative to its parent element’s position.

Now, let’s see an example where we use both the position and z-index properties.

Example of positioning an image on top of another using the position and z-index properties:

The z-index is a CSS property to determine which element to overlay and which element to be in the background. The idea is to imagine a z-axis perpendicular to the screen. The higher the z-index of an element, the element will be shown nearer to the one viewing the page, thus overlaying the other elements with a lower z-index.

html> html> head> title>Title of the document title> style> .image1 < position: absolute; top: 10px; left: 10px; border: 1px solid #000000; z-index: 1; > .image2 < position: absolute; top: 25px; left: 25px; border: 1px solid #000000; z-index: 2; > style> head> body> img class="image1" src="/uploads/media/default/0001/01/25acddb3da54207bc6beb5838f65f022feaa81d7.jpeg" /> img class="image2" src="/uploads/media/default/0001/01/25acddb3da54207bc6beb5838f65f022feaa81d7.jpeg" /> body> html>

In the example mentioned above, we set the position to absolute for both elements. You can try the snippet yourself, and see that you can swap the overlaying and the background image easily by changing the z-index. By z-index you can set any element on top of another one, and not just images.

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