Sehen Sie sich “Section 9 Topic 94” an.
    <h1>Transitions</h1>
    <div class="circle"></div>
    <section>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </section>HTML.circle {
    width: 300px;
    height: 300px;
    background-color: rgb(9, 255, 0);
    transition: background-color 1s, border-radius 2s , margin-left 3s;
}
.circle:hover {
    background-color: rgb(255, 217, 0);
    border-radius: 50%;
    margin-left: 400px;
}
section div {
    display: inline-block;
    height: 100px;
    width: 100px;
    background-color: rgb(0, 64, 255);
    margin: 20px 0;
    border-radius: 50%;
    transition: margin-top 3s;
    
}
section:hover div {
    margin-top: 400px;
}
CSS