h1{
color:white;
text-align:center;
font-size:30;
}

h2{
color:white;
font-size:30;
text-align:center;
}

h3{
color:white;
font-size:25;
text-align:center;
}

.linea{

margin-left:400px;

height:3px;

width:500px;

background:white;

}