.pregunta {
background-color:#ffff00;
border-width:1px;
border-style:solid;
border-color:#000000;
}
.respuesta {
border-width:1px;
border-style:dashed;
border-color:#000000;
}

.h1 {
border-width:2px;
border-style:solid;
border-color:#0000ff;
}

.h2 {
border-width:2px;
border-style:hidden;
border-color:#123450ff;
}

.h3 {
border-width:2px;
border-style:ridge;
border-color:#00aaddff;
}