/* Le code CSS de la démo */
section{
    list-style:none;
    display:flex;
    justify-content:center;
}

section a{
    background-color:#DD5735;
    color:#fff;
    padding :1em;
    transition: background-color 1s, color 0.2s, transform 0.5s; 
    /*transition: color 2s;*/
    /*transition-duration:0.5s;*/
}

section a:hover{
    color:#333;
    background-color:#fc3;
    text-decoration:none;
    transform: scale(1.5);

    /*transform: scale (1.5);*/
}