.first {
  position: relative; 
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  z-index: 3;
  width: 100vw;
  height: 100vh;
  background: url('../img/piano-back.jpg');
  background-color: rgba(0, 0, 0, 0.7);
  background-size: cover;

}

.image-box__overlay {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 0;
}

.imagen-header {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  width: 70%;
}

.first img {
  max-width: 70%;
  max-height: 70%;
  border-radius: 50%;
  border: 5px solid #202020;
}

.presentacion-header {
  margin-left: 100px;
}

.presentacion-header h1 {
  font-size: 50px;
  margin: 0px;
  color: var(--principal-color);
}

.presentacion-header h3 {
  font-size: 30px;
  margin-top: 0px;
  margin-bottom: 50px;
  color: white;
}

.presentacion-header span {
  font-size: 20px;
  color: white;
}

.redes-sociales-maui {
  font-size: 30px;
  margin-top: 30px;
}

.redes-sociales-maui i{
  margin-right: 30px;
  color: white;
}

.botones-maui {
  margin-top: 30px;
}

.botones-maui a{
  height: 50px;
  width: 200px;
  padding: 15px;
  text-decoration: none;
  border-radius: 30px;
  font-size: 15px;
  cursor: pointer;
  background-color: var(--principal-color);
  border-color: var(--principal-color);
  color: white;
}

.botones-maui a:first-child{
  margin-right: 30px;
  background-color: #808080;
  border-color: #808080;
}


@media only screen and (max-width: 590px) { 

  .first {
    padding-top: 0px;
    top: 60px;
    height: 100%;
    position: relative; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 3;
  }

  .imagen-header {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }

  .first img {
    max-width: 70%;
    max-height: 70%;
  }

  .presentacion-header {
    margin-left: 0px;
    width: 100vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .presentacion-header h1{
    font-size: 30px;
  }

  .presentacion-header h3{
    font-size: 20px;
  }

  .presentacion-header span{
    font-size: 15px;
    text-align: center;
  }

  .redes-sociales-maui {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }

  .botones-maui {
    margin-top: 40px;
    margin-bottom: 40px;
  }

}