Enhancing button images with gradient effects on hover

I'm currently working on adding a color gradient effect to a PNG graphic used as a button. I specifically want the color gradient to appear only when the user hovers over the image, and not just for background images like most solutions seem to provide.

Here's a snippet of my HTML code:

<img id="connectionRight_img" class="btn" src="imgs/trailEnd_turnRight.png" alt="Right Arrow"/>

Now, I need help figuring out what CSS styling should be added to achieve the desired color change on hover:

.btn:hover: {
??
}

If you have any suggestions or tips, please do share. Your input would be greatly appreciated.

Answer №1

I have found this method to be effective in my experience. However, I would advise against using images as backgrounds whenever possible as it can result in decreased performance.

<style>
    button.mylink  { border-width:0px; text-align:center; width : 60px; height : 20; display: inline-block; background-image : url(imgs/trailEnd_turnRight.png); text-decoration:none  }
    button.mylink:hover { background-image : url(imgs/trailEnd_turnRight_hover.png) }
</style>

<button class="mylink" href="#">abc</button>

Answer №2

To achieve the hover effect on an image, you should wrap the img tag within an inline or inline-block element and then add a pseudo-element to that wrapper which will only be displayed when hovering over it.

Check out this FIDDLE for demonstration: http://jsfiddle.net/xz7xy8dg/

CSS:

.wrap {
    position:relative;
    display:inline-block;
}

.wrap::after {
    position:absolute;
    height: 100%;
    width:100%;
    top:0;
    left:0;
    background: -moz-linear-gradient(top, rgba(0,255,0,1) 0%, rgba(255,255,255,0) 100%);
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,255,0,1)), color-stop(100%,rgba(255,255,255,0)));
    background: -webkit-linear-gradient(top, rgba(0,255,0,1) 0%,rgba(255,255,255,0) 100%);
    background: -o-linear-gradient(top, rgba(0,255,0,1) 0%,rgba(255,255,255,0) 100%);
    background: -ms-linear-gradient(top, rgba(0,255,0,1) 0%,rgba(255,255,255,0) 100%);
    background: linear-gradient(to bottom, rgba(0,255,0,1) 0%,rgba(255,255,255,0) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00ff00', endColorstr='#00ffffff',GradientType=0 );
    display:none;
    content: ' ';
}

.wrap:hover::after {
    display:block;
}

HTML:

<div class="wrap">
<img id="connectionRight_img" class="btn" src="imgs/trailEnd_turnRight.png" alt="Right Arrow"/>
</div>

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