[Tutorial] Customize Scroll Bar II

Assalamualaikum for muslims and hye for non-muslim :)

Preview;

Hi. My name is Liyana. I'm Running Man die hard fans. Kang Gary's big fan. Monday Couple lover. Oyeahhh. I'm 20 years young. I like chocolate. I like Jun and Junsu (Appa Odiga). The're soooooo damn cute!

So, here's the codes:

::-webkit-scrollbar{
width:11px;
height:11px;
}
::-webkit-scrollbar-button:start:decrement,::-webkit-scrollbar-button:end:increment{
height:11px;
width:11px;
display:block;
border:1px solid plum;
}
::-webkit-scrollbar-button:end:increment{
background:#F1CBFF;
}
::-webkit-scrollbar-button:start:decrement{
background:#F1CBFF;
}
::-webkit-scrollbar-track-piece{
background:white;
}
::-webkit-scrollbar-thumb{
background-color:#F1CBFF;
border:1px solid plum;
}