.imag1 {

    background-image: url(../img/carpaluminio.jfif);
    background-repeat: no-repeat;
    background-size: cover;/*toma el acho total, y agranda la imagen*/
    height: 350px;
    width:300px ;
    position: relative;
    margin-bottom: 5rem;
   
  
  }

  .imag2 {

    background-image: url(../img/personalizada.jfif);
    background-repeat: no-repeat;
    background-size: cover;/*toma el acho total, y agranda la imagen*/
    height: 350px;
    width:300px ;
    position: relative;
    margin-bottom: 5rem;
   
  
  }


  .imag3 {

    background-image: url(../img/materiales.png);
    background-repeat: no-repeat;
    background-size: cover;/*toma el acho total, y agranda la imagen*/
    height: 350px;
    width:300px ;
    position: relative;
    margin-bottom: 5rem;
   
  
  }