Changing height to 82vh gets sticky NO MOTION. ..

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Changing height to 82vh gets sticky NO MOTION.

Now just need to calibrate more with a bit maybe.

This is full css code for my sticky div class around menu and aside.

Now sticky it's stick at inside as well almost with no motion.

Just at begging need to stick than keep position and do not jump below:

div.sticky {

position:-webkit-sticky;
position:-webkit-overflow-scrolling;

position: sticky !important;
padding-top: 1px;
top: 100px;
display: block;

height: 82vh;
overflow-y: scroll;
overflow: scroll;

}

PS for Macbook Pro res