Сервис геймификации EmbedGames

 
<a href="ссылка" class="button">Нажми на меня, друг!</a>
 
<style>
.button {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    background-color: #538fbe;
    padding: 20px 70px;
    font-size: 24px;
    border: 1px solid #2d6898;
    background-image: linear-gradient(bottom, rgb(73,132,180) 0%, rgb(97,155,203) 100%);
    background-image: -o-linear-gradient(bottom, rgb(73,132,180) 0%, rgb(97,155,203) 100%);
    background-image: -moz-linear-gradient(bottom, rgb(73,132,180) 0%, rgb(97,155,203) 100%);
    background-image: -webkit-linear-gradient(bottom, rgb(73,132,180) 0%, rgb(97,155,203) 100%);
    background-image: -ms-linear-gradient(bottom, rgb(73,132,180) 0%, rgb(97,155,203) 100%);
 
    background-image: -webkit-gradient(
        linear,
        left bottom,
        left top,
        color-stop(0, rgb(73,132,180)),
        color-stop(1, rgb(97,155,203))
    );
}
</style>