CSS animation shifting while altering its color palette

I have limited experience with CSS animations and my client is looking to achieve a hover effect similar to the one shown here when hovering over the contact button:

Just to clarify, they are looking for:

  1. The square to move from left to right and then back again
  2. As the square moves, the color of the line underneath it should change

The top image shows the start state, the middle image represents the effect at 50%, and the bottom image shows the end result.

Can this be achieved using only CSS, or would JavaScript be necessary as well? How should I go about implementing this?

csscss-animations

Answer №1

Check out my simple JSFiddle demonstration here: https://jsfiddle.net/x0b397pb/

With just CSS, you'll see that creating these elements is achievable. Using pseudo elements like ::before and ::after, most of the design elements are made.

If you're not comfortable with CSS animations, you can learn more about them here.

transition: left 1000ms, right 1000ms, box-shadow 1000ms;

Every comma-separated element represents a value that will transition from one point to another. This transition occurs when the div changes, such as on hover or when another div is applied (via JS).

To create the effect of lines gradually changing color, I added another element that slides over the original lines. These new lines start with 0 width but expand to 100% width on hover. Using a transition like transition: width 1000ms; creates a smooth effect.

I suggest not using my code verbatim as your final product, as it may not be the most aesthetically pleasing. However, I hope it helps convey the concept effectively.

Answer №2

Discover the magic of CSS transitions with this quick example:

Imagine this snippet of HTML:

<div class="wrapper">
  <div class="square"></div>
</div>

And the accompanying CSS:

.wrapper { position: relative; width: 400px; height: 400px; border: solid 1px black; } .square { position: absolute; width: 40px; height: 40px; top: 10px; left: 10px; background-color: red; transition: all 1s; } .wrapper:hover { border-color: blue; .square { top: 200px; left: 200px; width: 160px; height: 160px; background-color: blue; }
}

Test it out on JsFiddle: https://jsfiddle.net/ronency/75ozjq3s/

Answer №3

.container {
    background: linear-gradient(45deg, #f3efef, #90009f, #01060d);
    background-size: 800% 800%;
    animation: GradientAnimation 32s ease infinite;
}

@keyframes GradientAnimation { 
    0%{background-position:0% 51%}
    50%{background-position:100% 50%}
    100%{background-position:0% 51%}
}

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