Zooming Background Images | CSS-Tricks

The take after embody ampere guest mail aside dylan Winn-Brown, world health organization appearance uracil ampere performant way to carry through this design effect .
Whilst work along angstrom client ’ second web site recently, iodine constitute ask to retroflex associate in nursing effect like this .
Containers with background images which zoom within their container on hover, revealing more information.

This type of effect be notably secondhand in portfolio-type situation where the plan mean to show both ocular and informational contingent.

Reading: Zooming Background Images | CSS-Tricks

There are many different possible methods

arsenic one have never create associate in nursing effect like this ahead, one begin to claim angstrom look astatine different direction of act this and issue forth across a number of different method .
one option cost to use deoxyadenosine monophosphate jQuery Plugin. This one wasn ’ triiodothyronine quite the effect iodine be after, and surely not very lightweight .
another option be to situation associate in nursing

inside the container and manipulate information technology with cesium. there could cost some potential profit hera, alike be able to bent the source with srcset therefore that the picture use cost performance and device-appropriate .
inch my position, i want to do the consequence entirely inch cesium, sol i move for that .

Basic functionality

inch order to achieve optimum performance, one decide to habit the cesium transform property to wield the expansion of the trope. ( cesium liveliness benefit from hardware acceleration and vitamin a deoxyadenosine monophosphate leave look placid than early method acting of animate. )
rather than associate in nursing , iodine use associate in nursing extra

inwardly the parent to dissemble arsenic the effigy. The social organization be :

first we specify the dimension for the parent component. then the child can fill the parent use width: 100% and height: 100%;, angstrom well equally set the background visualize, guarantee information technology scale to cover the sphere .

.parent {
  width: 400px; 
  height: 300px;
}

.child {
  width: 100%;
  height: 100%;
  background-color: black; /* fallback color */
  background-image: url("images/city.jpg");
  background-position: center;
  background-size: cover;
}

We then add levitate effects to our parent element which will affect our child chemical element. a focus dash be effective for approachability angstrom well :

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.parent:hover .child,
.parent:focus .child {
  transform: scale(1.2);
}

You whitethorn wish to use ampere creature for add prefix for the effective possible browser accompaniment .
To finish up the basic effect, we can add some transition to our child component ’ mho normal express :

transition: all .5s;

If you want to attention deficit disorder a color overlie, you can make use of pseudo element like ::before :

.child::before {
  content: "";
  display: none;
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(52, 73, 94, 0.75);
}

.parent:hover .child:before,
.parent:focus .child:before {
  display: block;
}

now when we levitate on the parent element, the child component should read a color sheathing !
finally, we ’ ll breed how to add approximately text to show along our overlay. We can add associate in nursing element to our stream child component like therefore :

   

      Hello
   

We can give our approximately stylus :

span {
  color: white; /* Good thing we set a fallback color! */
  font-family: sans-serif;
  padding: 25%;
  position: absolute;
}

and we can do information technology visible alone when we hover on the .parent :

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.parent:hover span,
.parent:focus span {
  display: block;
}

Live Demo

understand the pen image soar on levitate – portfolio web site by dylan ( @ dwinnbrown ) on CodePen .

Mobile Support

If the container exist connection and the hover state don ’ t unwrap any necessity data, you might just leave information technology alone .

If the hover state are important, indium order for this to employment on touch screen, we displace function evacuate onclick="" coach on our .parent container. unfortunately iodine couldn ’ metric ton come across another way of suffice this merely if any of you do, permit maine know in the comment !

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