.section_contact_us {
  position: relative;
  background-color: rgba(0, 0, 0, .5);
  padding: 7vw 0;
  border-radius: 10px;
  width: 100%;
  margin: 0 auto;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.section_contact_us h1 {
  position: relative;
  text-align: center;
  color: white;
  text-shadow: 3px 3px 2px black;
  font-size: calc(1.8em + 1.8vw);
  font-weight: 200;
  margin: 0 0 3vw 0;
  padding: 0px;
}
.container_contact_us{
  position: relative;
  width: 80%;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
  flex-wrap: wrap-reverse;
}

/* Contenedor de los campos de contacto */
.box_contact_us {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 45%;
  min-width: 293px;
  margin: 10px 20px;
}


/* Estilo de los campos de entrada */
.box_contact_us input {
  position: relative;
  padding: 5px 0px 5px 10px;
  border-radius: 5px;
  width: 80%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1em;
  color: #333;
  margin: 5px;
}
.box_contact_us textarea{
  position: relative;
  padding: 5px 0px 5px 10px;
  border-radius: 5px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  font-size: 1em;
  color: #333;
  margin: 5px;
}



/* Estilo del botón */
.button_contact_us {
  padding: calc(0.1vw + 0.1em) calc(0.5vw + 0.5em);
  z-index: 10;
  max-height: 50px;
  font-size: calc(1vw + 1em);
  font-weight: 300;
  border-radius: 5px;
  cursor: pointer;
  background-color: rgba(141, 67, 68, .9);
  color: white;
  font-size: calc(0.8em + 0.8vw);
  margin: 20px;
}

#map3{
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  height: 192px;
  border-radius: 15px;
  z-index: 1;
}