<div class="wrapper">
<section class="block">
<div class="each-year">
<div class="title">2016</div>
<div class="each-event">
<div class="event-description">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Veniam molestiae sint ut sit sed impedit, minus, eligendi modi.
</div>
</div>
<div class="each-event">
<div class="event-description">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio, vitae, ex voluptates repudiandae molestias modi veniam cumque, iusto qui quia illum ipsa laborum adipisci porro nulla magnam error eligendi? Quos!
</div>
</div>
<div class="each-event">
<div class="event-description">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio, vitae, ex voluptates repudiandae molestias modi veniam cumque, iusto qui quia illum ipsa laborum adipisci porro nulla magnam error eligendi? Quos!
</div>
</div>
<div class="each-event">
<div class="event-description">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio, vitae, ex voluptates repudiandae molestias modi veniam cumque, iusto qui quia illum ipsa laborum adipisci porro nulla magnam error eligendi? Quos!
</div>
</div>
<div class="each-event">
<div class="event-description">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio, vitae, ex voluptates repudiandae molestias modi veniam cumque, iusto qui quia illum ipsa laborum adipisci porro nulla magnam error eligendi? Quos!
</div>
</div>
<div class="each-event">
<div class="event-description">
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Distinctio, vitae, ex voluptates repudiandae molestias modi veniam cumque, iusto qui quia illum ipsa laborum adipisci porro nulla magnam error eligendi? Quos!
</div>
</div>
</div>
</section>
<section class="block">
<div class="each-year">
<div class="title">2015</div>
<div class="each-event">
<div class="event-description">
Lorem ipsum dolor sit amet, consectetur adipisicing elit.
</div>
</div>
</div>
</section>
</div>
@import url("https://www.google.com/fonts#UsePlace:use/Collection:Open+Sans+Condensed:300");
.wrapper {
background-color: #42a5f5;
width: 100%;
min-height: 100vh;
height: 100%;
font: normal 16px/26px Open Sans Condensed, sans-serif;
color: #fff;
padding: 100px 20px 200px;
box-sizing: border-box;
}
.block {
z-index: 1;
position: relative;
}
.block:before {
content: "";
position: absolute;
height: calc(100% - 40px);
width: 1px;
background-color: #f2f2f2;
left: 50%;
margin-top: 90px;
}
.title {
font: bold 42px/52px Open Sans Condensed, sans-serif;
text-align: center;
padding: 20px;
transition: all 0.8s ease-in-out;
}
.each-event {
background-color: #f4f4f4;
color: #777;
padding: 15px;
margin: 60px 20px;
width: 300px;
position: relative;
border-radius: 4px;
box-sizing: border-box;
transition: all 0.3s ease-in-out;
}
.each-event:before {
content: "";
position: absolute;
top: calc(50% - 8px);
left: -27px;
width: 16px;
height: 16px;
border-radius: 50%;
background-color: #fff;
box-shadow: 0 4px 20px -4px rgba(64, 64, 64, 0.8);
}
.each-event:nth-child(odd) {
margin-left: calc(50% + 20px);
}
.each-event:nth-child(even) {
margin-left: calc(50% - 321px);
}
.each-event:nth-child(even):before {
left: calc(100% + 14px);
}
.title.non-focus {
font-size: 24px;
line-height: 34px;
transition: all 0.8s ease-in-out;
}
.each-event.non-focus {
color: #d2d2d2;
background: #e6e6e6;
margin-top: 90px;
transform: rotateZ(45deg);
transition: all 0.8s ease-in-out;
}
.each-event.non-focus:before {
opacity: 0;
background-color: #aaa;
}
var $element=$('.each-event, .title');
var $window = $(window);
$window.on('scroll resize', check_for_fade);
$window.trigger('scroll');
function check_for_fade() {
var window_height = $window.height();
$.each($element, function (event) {
var $element = $(this);
var element_height = $element.outerHeight();
var element_offset = $element.offset().top;
space = window_height - (element_height + element_offset -$(window).scrollTop());
if (space < 60) {
$element.addClass("non-focus");
} else {
$element.removeClass("non-focus");
}
});
};