Why is the size of the slider wrong?

Question

css

Hello. Help me to understand.
The slick.js slider installed on the site is sizing incorrectly. Less than necessary.
Here is an example y98066hv.bget.ru , inside the slider there should be slides sized 350x150, but it comes out much smaller. Why is that? How to fix? Thank you.

Answer 1

.slider {
    width: 50%;
    margin-left: 25px;
}

on page 828 your container is set to 50% width
set to 100%