Navigation bottom bar that stick on the top when scolling

Posted on 2015-01-21
Medium Priority
Last Modified: 2016-01-03
Hello i am using bootstrap i am looking for expert to help me implementing a navigation bar that shows in the bottom of the page and make smooth color transition from transparent to blue when scrolling down and stick to the top when it hit top of the browser something similar to this


Thank you.
Question by:jaylab2
LVL 27

Accepted Solution

lenamtl earned 2000 total points
ID: 40564790
for the sticky menu

for the transparency color you will need to use rgba color
.navbar {
   background: rgb(65,105,225);  /* This is for ie8 and below */
   background: rgba(65,105,225,0.3); 

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And you will need javascript script to have transparent transition:

Author Comment

ID: 40565898
Thank you
I understand the concept but i have two questions

1- What that exactly mean and do

  var scroll = $(window).scrollTop();

2-   if (scroll > 0 ) {

what 0 refer explain the concept

Thank you .


  var scroll = $(window).scrollTop();

  if (scroll > 0 ) {

  if (scroll <= 0 ) {


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