1.
<div class="Caja EjemploLinearSimple"> </div>
<style type="text/css"><!--
.Caja {
float:left;
width:200px;
height:200px;
margin-right:20px;
border-radius:4px;
border:1px solid #999;
}
.EjemploLinearSimple {
background:-webkit-linear-gradient(rgb(255, 0, 0), rgb(100, 0, 0));
background:-moz-linear-gradient(rgb(255, 0, 0), rgb(100, 0, 0));
background:-o-linear-gradient(rgb(255, 0, 0), rgb(100, 0, 0));
background:linear-gradient(rgb(255, 0, 0), rgb(100, 0, 0));
}
--></style>
