[j0hnik]

<style type='text/css'>
a {
    line-height: 1;
    display: inline-block;
    text-decoration:none;
    cursor: pointer;
}
a:after {
    display: block;
    position: relative;
    content: "";
    height: 2px;
    width: 0%;
    background-color: #000000;
    transition: all .3s ease-in-out;
    left: 50%;
}
a:hover:after,
a:focus:after {
    width: 100%;
    left: 0;

}
</style>

<a href='#'>Test text</a>

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