Затухание текста

Пример

DEMO

Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. Contrary to popular belief, Lorem Ipsum is not simply random text.

Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. Contrary to popular belief, Lorem Ipsum is not simply random text.

HTML

 <div class="gradient"></div> 
<div class="gradient2"></div>

CSS

.gradient {
  background: -moz-linear-gradient(bottom, rgba(255, 255, 255, 0.2), #000 100%);
    background: -webkit-linear-gradient(bottom, rgba(255, 255, 255, 0.2), #000 100%);
    background: -o-linear-gradient(bottom, rgba(255, 255, 255, 0.2), #000 100%);
    background: -ms-linear-gradient(bottom, rgba(255, 255, 255, 0.2), #000 100%);
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2), #000 100%);	
	height: 100px;
	padding:3px;
}

.gradient2 {
background: -moz-linear-gradient(left, rgba(156, 159, 255, 0.54), #000 100%);
    background: -webkit-linear-gradient(left, rgba(156, 159, 255, 0.54), #000 100%);
    background: -o-linear-gradient(left, rgba(156, 159, 255, 0.54), #000 100%);
    background: -ms-linear-gradient(left, rgba(156, 159, 255, 0.54), #000 100%);
    background: linear-gradient(left, rgba(156, 159, 255, 0.54), #000 100%);	
	height: 100px;
	padding:3px;
}