.imagen {
  position: relative;
  width: 100%;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 1%;
  color: #003366;
}

.imagen::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.7);
  z-index: 1;
}

.textos {
  position: relative;
  z-index: 2;
}

.textos h1 {
  font-size: 3em;
  margin: 0;
  font-weight: bold;
  text-shadow: 1px 1px 2px #fff;
}

.textos h4 {
  margin: 0;
  font-size: 1.5em;
  font-weight: 400;
  text-shadow: 1px 1px 2px #fff;
}