*{
margin:0px;
padding:0px;

}
h1 {
  color:white;
  font-family: 'Vivaldi', cursive;
  size: "6";
}

h2 {
  color:black;
  font-family: 'Tahoma';
  size: "5";
}
p{
  margin-left: 10px;
  margin-right: 10px;
  font-family: 'Tahoma';

}

td{
  margin-left: 10px;
  margin-right: 10px;
  font-family: 'Tahoma';

}

tr{
  text-align: center;
  align:center;


}
div.op{
  background-color:rgba(0,0,0,0.5);
  width: 100%;
  height: 100%;

}


.inicio{

background-image: url("../img/1.jpg");

background-repeat: no-repeat;
background-size: cover;
background-position: center;
width: 100%;
height: 100%;

}
.segundo{
  background-image: url("https://image.freepik.com/vector-gratis/gray-cuadrado-patron-de-fondo-ilustracion-vectorial_1164-1350.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  width: 100%;
  height: 100%;
}
div.columna1{
  display: block;
  float:left;
}