CSS3 Transition smooth transition menu bar implementation

This time I will bring you the implementation of CSS3's Transition smooth transition menu bar. What are the precautions for implementing Transition smooth transition menu bar? The following is a practical case, let's take a look.

The three major properties of CSS3 animation (Transform, Transition, Animation) are introduced below. The Transition property. The transition property is a shorthand property with four properties: transition-property, transition-duration, transition-timing-function, and transition-delay.

Syntax

transition: property duration timing-function delay;

Attributes:

##Valuetransition-propertytransition-durationtransition-timing-functiontransition-delayA case is given below

Description
Specify the name of the CSS property, transition effect
The transition effect needs to specify how many seconds or milliseconds it takes to complete
Specify the speed curve of the transition effect
When defining the transition effect at the beginning

First look at the rendering:

Principle illustration:

When the mouse moves into the menu list, add a hover style. That is, set the top value of p.wrap to a negative value. Then use the transition attribute to make it a smooth transition.

Complete demo

<!--html-->
<style>
 .menu{
        margin: 100px auto;
    }
    .menu ul li{
        float:left;
        width: 50px;
        height: 25px;
        background-color: #2aabd2;
        margin-right: 5px;
        line-height: 25px;
        position: relative;
        overflow: hidden;
    }
    .menu ul li a{
        display: block;
        height:25px;
        width: 50px;
        text-align: center;
        line-height: 25px;
        color: white;
    }
    .menu ul li .awrap{
        position: absolute;
        top:0;
        left: 0;
    }
    .menu ul li .awrap:hover{
        transition: all .3s ease-in;
        top:-25px;
    }
</style>
<p>
    </p>

        
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Note: The icon uses the font icon Font Awesome. If you need to know more, you can search Font Awesome

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Recommended reading:

Detailed explanation of the use of pointer-events in css3

Detailed explanation of the use of focus-within

CSS3 to make seamless carousel ads

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