/* ======== main content ======== */

.page_wrapper{
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}
.form_container, .explicacion{
    text-align: center;
    max-width: 450px;
    margin: 0 auto;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.form_container input[type="submit"]{
    margin: 30px auto;
}
.explicacion p{
    display: inline-block;
    max-width: 350px;
    width: 100%;
}
.input_code{
    width: 93%;
    display: block;
    margin: 0 auto;
    max-width: 415px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.mensaje_index{
    width: 93%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}