How to use CSS to achieve a button text sliding effect

This article mainly introduces how to use CSS to realize the special effect of a button text sliding. It has a certain reference value. Now I share it with you. Friends in need can refer to the source code download

Please download from github download.

https://github.com/comehope/front-end-daily-challenges/tree/master/001-button-text-staggered-sliding-effects

Code interpretation

Define dom, define the text of the button in a container, each letter has a span, each span has a data-text attribute, its value is the same as the letter in the span:

<p class="box">
    <span data-text="B">B</span>
    <span data-text="U">U</span>
    <span data-text="T">T</span>
    <span data-text="T">T</span>
    <span data-text="O">O</span>
    <span data-text="N">N</span>
</p>

The button is centered:

html, body {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

Set the size and text style of the button:

.box {
    width: 200px;
    height: 60px;
    border: 2px solid black;
    text-align: center;
    font-size: 30px;
    line-height: 60px;
    font-family: sans-serif;
}

Each letter of the button is set as an inline block element so that the animation can be set individually:

.box span {
    display: inline-block;
    color: blue;
}

Stagger the letters Displayed outside the button container, the odd-numbered elements are displayed on top, and the even-numbered elements are displayed below:

.box span:nth-child(odd) {
    transform: translateY(-100%);
}

.box span:nth-child(even) {
    transform: translateY(100%);
}

Use pseudo elements to add a copy for each letter:

.box span::before {
    content: attr(data-text);
    position: absolute;
    color: red;
}

Let the pseudo elements The letters of the element are also staggered and positioned relative to their original elements:

.box span:nth-child(odd)::before {
    transform: translateY(100%);
}

.box span:nth-child(even)::before {
    transform: translateY(-100%);
}

Add a mouse-over style to the button and set the easing time to animate it:

.box:hover span {
    transform: translateY(0);
}

.box span {
    transition: 0.5s;
}

Finally, hide the container External content:

.box {
    overflow: hidden;
}

Done!

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