7.css scrollbar

<style>
::-webkit-scrollbar {
width: 16px
}

::-webkit-scrollbar:horizontal {
height: 17px
}

::-webkit-scrollbar-corner {
background: #eee
}

::-webkit-scrollbar-track:vertical {
background: linear-gradient(90deg, #e5e5e5, #f0f0f0 20%)
}

::-webkit-scrollbar-track:horizontal {
background: linear-gradient(180deg, #e5e5e5, #f0f0f0 20%)
}

::-webkit-scrollbar-thumb {
border: 1.5px solid #888;
border-radius: 3px;
box-shadow: inset 0 -1px 1px #fff, inset 0 1px 1px #fff;
background-color: #eee;
}

::-webkit-scrollbar-thumb:vertical {
background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAkAAAAKCAIAAADpZ+PpAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAAEnQAABJ0Ad5mH3gAAADrSURBVChTTc5LboJQGAXguyoCu4ERCzAGlRk7UOwGWIDh0s4M4kxb06RSq/jAB6AxJkJ4lTDrue3AnvyzP+fLId+/yfM8juP7PQmCCOf7B3e+ZD+O40RRVFW12VQUpd3r9U3T2m4OpKoqWZYNwzBZLEqfh0N7NnvfrPcEWlEUWZb9mWF4Ph6D0ylcLbfM5HkeJrhGA2hb15/QXnv+w7RYXsDatjOdvnmrHSnLEizMNE2v11sUXQBCnn98kbquBUGQJAlmq9WB2e3qg4HJdqKkaRql1HGc0WgMcDJ5dd0F24kediZJ8t/ELT69H+8py0CYSIO5AAAAAElFTkSuQmCC") no-repeat 50%, linear-gradient(90deg, #eee 45%, #ddd 0, #bbb)
}

::-webkit-scrollbar-thumb:horizontal {
background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAJCAYAAAALpr0TAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAAEnQAABJ0Ad5mH3gAAADcSURBVChTNZBLqoUwEEQrURQUxZGCvy24ACfiityJi7tv8GauQoPxk5tquA2RQ9vVVYk6z9NZaxFFEe77htYazjk8z4MwDIVZ+rourOuKaZrwvi+WZcE8z1BKCbPPCjk4DAO2bRP1OI7wLiL6Mbd7J408z1GWpQwWRYGqqiQG+03TgMu0MacfUN4qANmn8UOv9MjW3sKaSm7iIdOSlziOQ3LScd93aPonSYK6riVLlmVo21aYfVqzND9pmqLrOlGT+76XbcxLZkb19/l3fEP+oF0cx8KMEASBsDEGX2/CgZCHkg+8AAAAAElFTkSuQmCC") no-repeat 50%, linear-gradient(180deg, #eee 45%, #ddd 0, #bbb)
}

::-webkit-scrollbar-button:horizontal:end:increment,
::-webkit-scrollbar-button:horizontal:start:decrement,
::-webkit-scrollbar-button:vertical:end:increment,
::-webkit-scrollbar-button:vertical:start:decrement {
display: block
}

::-webkit-scrollbar-button:vertical {
height: 17px
}

::-webkit-scrollbar-button:vertical:start:decrement {
background: white;
background-image: url("https://cdn.discordapp.com/attachments/904308736712138793/1001299199633141851/download.png");
background-repeat: no-repeat;
background-position: center;
-moz-background-size: cover;
-webkit-background-size: cover;
-o-background-size: cover;
background-size: cover;
}

::-webkit-scrollbar-button:vertical:start:increment {
display: none;
}

::-webkit-scrollbar-button:vertical:end:decrement {
display: none;
}

::-webkit-scrollbar-button:vertical:end:increment {
background: white;
background-image: url("https://cdn.discordapp.com/attachments/904308736712138793/1001299200052576387/87ae92e1-3894-4469-b1b9-aedf5f04975c.png");
background-repeat: no-repeat;
background-position: center;
-moz-background-size: cover;
-webkit-background-size: cover;
-o-background-size: cover;
background-size: cover;
}

</style>