.caja1
{background-color: red;
float: left;
width: 100%;
height:50px;
color: darkmagenta;
text-align: center;
font-weight:bold;
font-style:verdana;
line-height:0px;
font-size:20px}
.caja2
{background-color: khaki;
float: left;
width: 25%;
height: 400px;
color: black}
.caja3
{background-color: pink;
float: left;
width: 50%;
height: 100px;
text-align: center;
line-height:50px;
color: black}
.caja4
{background-color: lightblue;
float: left;
width: 75%;
height: 400px;
color: black}
.caja5
{background-color: lightgreen;
float: left;
width: 50%;
height: 400px;
color:black;
font-weight:bold;
font-style:italic;
font-size:25px}
.h2
{background-color: lightslategray;
width: 100%;
height: 50px;
text-align: center;
font-size: 25px;
font-weight: bold;
font-family: tahoma;
font-style: italic;
float: left;}
.list
{font-weight: bold;
font-style: italic;
font-size: 25px;
color: black}
a
{color: green;
text-align: center}