h1.title{
    font-size: 24px;
    font-weight: bold;
    text-transform: uppercase;
    text-align: center;
}

main{
    width: 100%;
    height: 100vh;
}
main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("../img/Mexico-Popocatepetl.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.9;
    z-index: -1;
}
section.login{
    height: 100%;
    width: 100%;

    display: flex;
    align-items: center;
    justify-content: center;
}

article.card-panel{
    width: 30vw;
    margin: 0px auto;
    /* margin: 0px 12px */
}

img.img-login{
    width: 24em !important;
}

div.container-img{
    width: 100%;
    height: auto;
    
    display: flex;
    align-items: center;
    justify-content: center;
}

button[type="submit"]{
    background-color: blue;
    width: 100%;
}

button[type="submit"]:hover{
    /* background-color: cyan !important; */
}

@media (769px >= width) {
    article.card-panel{
        width: 60vw;
        margin: 0px auto;
    }
}
@media (426px >= width) {
    article.card-panel{
        width: 90vw;
        margin: 0px auto;
    }
}