*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* INICIO CLASES GENERALES*/
body {
  background: url(../iamges/cover.jpg) no-repeat center center fixed;
  background-size: cover;
  color: #fff;
  text-align: center;
  font-family: 'Quicksand', sans-serif;
}
.link{
  text-decoration: none;
  color: white;
}
.link :hover{
  text-decoration: underline;
  color: black;
}
.mayuscula{
  text-transform: uppercase;
}
.formulario{
  color: black;
  z-index: 999;
}
/*FIN GENERALES*/

/*MOBILE*/
@media only screen and (max-width: 450px) {
  /*INICIA CLASES HEADER*/
  header{
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .logo{
    width: 250px;
    height: 75px;
  }
  nav ul{
    margin-right: 0px;
  }
  nav ul li{
    margin-right: 5px;
    color: white;
    display: inline;
  }
  nav ul li .link{
    font-size: 25px;
  }
  /*FINALIZA CLASES HEADER*/

  /*INICIA CLASES MAIN*/
  main .titulo{
    display: flex;
    justify-content: space-around;
  }
  .titulo{
    margin-top: 40px;
  }
  .titulo .mayuscula{
    font-size: 40px;
  }
  .mensaje{
    margin-top: 50px;
    margin-bottom: 50px;    
  }
  
  .formInput{
    margin-bottom: 10px;
  }
  /*FINALIZA CLASES MAIN*/

  /*INICIA CLASES FOOTER*/
  footer{
    display: flex;
    justify-content: center;
  } 
  /*FINALIZA CLASES FOOTER*/
}

/*TABLET*/
@media only screen and (min-width: 451px) and (max-width: 960px) {
  /*INICIA CLASES HEADER*/
  header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
  }
  .logo{
    width: 250px;
    height: 75px;
  }
  nav ul{
    margin-right: 30px;
  }
  nav ul li{
    margin-right: 5px;
    color: white;
    display: inline;
  }
  /*FINALIZA CLASES HEADER*/

  /*INICIA CLASES MAIN*/
  main .titulo, .producto, .mensaje{
    display: flex;
    justify-content: space-around;
  }
  .titulo{
    margin-top: 60px;
  }
  .mensaje{
    margin-top: 100px;
    margin-bottom: 50px;    
  }
  
  .formInput{
    margin-bottom: 10px;
  }
  /*FINALIZA CLASES MAIN*/

  /*INICIA CLASES FOOTER*/
  footer{
    display: flex;
    justify-content: center;
  } 
  /*FINALIZA CLASES FOOTER*/
}

/*DESKTOP*/
@media only screen and (min-width: 961px) {
  /*INICIA CLASES HEADER*/
  header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
  }
  .logo{
    width: 250px;
    height: 75px;
  }
  nav ul{
    margin-right: 30px;
  }
  nav ul li{
    font-size: 20px;
    margin-right: 5px;
    color: white;
    display: inline;
  }
  /*FINALIZA CLASES HEADER*/

  /*INICIA CLASES MAIN*/
  main .titulo, .producto, .mensaje{
    display: flex;
    justify-content: space-around;
  }
  .titulo{
    margin-top: 130px;
  }
  .titulo h1{
    font-size: 65px;
  }
  .mensaje{
    font-weight: bold;
    margin-top: 120px;
    margin-bottom: 50px;    
  }
  .mayuscula{
    margin-top: 20px;
  }
  .mensaje .link:hover{
    color: black;
  }
  .formInput{
    margin-bottom: 10px;
  }
  /*FINALIZA CLASES MAIN*/

  /*INICIA CLASES FOOTER*/
  footer{
    display: flex;
    justify-content: center;
    /* position: fixed; */
    bottom: 20px;
    left: 35%;
  } 
  footer .link:hover{
    color: black;
  }
  /*FINALIZA CLASES FOOTER*/
}