@media only screen and (min-width: 993px) { 
   main{
        width:80%;
        margin:auto;
        padding-top: 20px;
        padding-bottom: 20px;
        }

    h1{
        text-align: center;
        font-size: 45px;
        font-family: 'IM Fell English', serif;
        }

    main img{
        width:100%;
        border:solid 1px;
        }

    #subir{
        margin:45%;
        font-size: 25px;
        }
    }
@media only screen and (max-width: 600px) {
    main{
        width:100%;
        margin:auto;
        padding-top: 20px;
        padding-bottom: 20px;
        }
    h1{
        text-align: center;
        font-size: 45px;
        font-family: 'IM Fell English', serif;
        }

    main img{
        width:100%;
        border:solid 1px;
        }

    #subir{
        margin:45%;
        font-size: 25px;
        }
}

@media only screen and (min-width: 601px) and (max-width:768px) {
    main{
        width:100%;
        margin:auto;
        padding-top: 20px;
        padding-bottom: 20px;
        }
    h1{
        text-align: center;
        font-size: 45px;
        font-family: 'IM Fell English', serif;
        }

    main img{
        width:100%;
        border:solid 1px;
        }

    #subir{
        margin:45%;
        font-size: 25px;
        }
}

@media only screen and (min-width: 769px)  and (max-width:992px) {
    main{
        width:100%;
        margin:auto;
        padding-top: 20px;
        padding-bottom: 20px;
        }
    h1{
        text-align: center;
        font-size: 45px;
        font-family: 'IM Fell English', serif;
        }

    main img{
        width:100%;
        border:solid 1px;
        }

    #subir{
        margin:45%;
        font-size: 25px;
        }
}