How to reduce the scroll bar width in collection widget

[PG_10250187]

I would like to reduce the width of the scroll bar in the collection widget. Also attached the screenshot for reference.

[Sathishkumar_C · Accepted solution]

try this CSS... it will be applicable for entire page 

/* width */
::-webkit-scrollbar {
width: 5px;
}
/* Track */
::-webkit-scrollbar-track {
box-shadow: inset 0 0 5px grey;
border-radius: 5px;
}
/* Handle */
::-webkit-scrollbar-thumb {
background: red;
border-radius: 5px;
}

[PG_10250187]

Yes it worked. Thank You!