🍭 Barra de rolagem com imagem

::-webkit-scrollbar {background:#ffffff; width:30px; height:30px;} ::-webkit-scrollbar-thumb {background:orange url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgobPRuV9e85aLQ6MLMsHX4yBWiWFYeglaC2fv9dvyo9L1Topb62hJ5rq_PuUtTUjCZUzuAAULRMweYecqvDFdD5xjJAjiZc8trsXn7JRPVfkDA-PtvIgniKllPsmZ9LtZyjCQnZjTJEhvl/s1600/triangulos.png) repeat;} ::-webkit-scrollbar-track {background:#ffffff;} ::-webkit-scrollbar-corner {background:orange url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgobPRuV9e85aLQ6MLMsHX4yBWiWFYeglaC2fv9dvyo9L1Topb62hJ5rq_PuUtTUjCZUzuAAULRMweYecqvDFdD5xjJAjiZc8trsXn7JRPVfkDA-PtvIgniKllPsmZ9LtZyjCQnZjTJEhvl/s1600/triangulos.png) repeat;}

Tutorial completo: CSS | Barra de rolagem colorida no Google Chrome.