* {
    margin: 0px;
    padding: 0px;
    /*  lo ponemos todo a cero desde el principio*/
    box-sizing: border-box;
    /*  no le suma el padding, se lo resta*/

}




.certificado {

    display: flex;
    padding-top: 20px;
    flex-wrap: wrap;
    justify-content: center;
    padding-left: 50px;
    padding-right: 50px;
}


#formulario {
    width: 400px;
    padding-top: 20px;
    font-size: 12px;

}




#formulario input {
    width: 100%;
    height: 20px;
    padding-left: 10px;
    margin-bottom: 10px;
    border: 0px;
    background-color: rgba(198, 195, 190, 0.6);

}

#asunto {
    background-color: rgba(198, 195, 190, 0.6);
    width: 100%;
    height: 20px;
    padding-left: 10px;
    margin-bottom: 10px;
    border: 0px;



}

#formulario #mensaje {
    background-color: rgba(198, 195, 190, 0.6);
    width: 100%;
    height: 150px;
    padding: 10px;
    border: 0px;

}


#formulario #submit {
    margin-top: 10px;
    float: right;
    width: 20%;
    border: 0px;
    padding-left: 5px;
    background-color: #829caf;
    color: white;
}


#formulario .reset {

    margin-top: 10px;
    margin-right: 10px;
    width: 20%;
    border: 0px;
    padding-left: 5px;
    float: right;
    color: #829caf;

}

.txtcertificado h1 {
    font-family: 'Barlow Semi Condensed', sans-serif;
    padding-top: 10px;
    width: 70%;
    font-size: 30px;
    color: #464646;



}

.txtcertificado h3 {
    padding-top: 10px;
    width: 70%;

    color: #464646;

}

.txtcertificado ul {
    list-style: none;
    padding-top: 10px;
    color: #3e3c3c;
}


@media(min-width:1024px) {


    certificado {
        min-height: 90vh;
        display: flex;
        padding-top: 120px;
        flex-wrap: wrap;
        padding-right: 50px;
        padding-left: 50px;

    }


    .contenedorc {
        background-image: url('../img/certificado.jpg');
        background-repeat: no-repeat;
        height: 90vh;
        background-attachment: fixed;
        background-size: 2500px;


    }

}

@media(min-width:768px) {

 .contenedorc {

        background-color: white;
       




    }


    .certificado {
        min-height: 100vh;
        display: flex;
        padding-top: 120px;
        flex-wrap: wrap;
        padding-right: 50px;
        padding-left: 50px;

    }
}


@media(min-width:280px) {

    .contenedorc {

        background-color: white;
       




    }









}