* {
    margin: 0;
}

header {
    background: rgb(0,200,255);
    background: radial-gradient(circle, rgba(0,200,255,1) 0%, rgba(76,106,241,1) 50%, rgba(90,252,70,1) 100%); 
    color: #ffffff;
    text-align: center;
    min-height: 100px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 2rem;
}

header h1 {
    font-size: 4rem;
}

main {
    background-color: rgb(255, 255, 255);
}

main li {
    /* color: #2c02f2; */
    color: #000000;
    margin-top: 10px;
}

main span {
    color: #55b532;
}

#grupos_de_whatssap {
    color: #7fff00;
    background-color: #55b532;
    text-align: center;
    min-height: 100px;
}

#grupos_de_telegram {
    color: #ffffff;
    background-color: #2facebff;
    text-align: center;
    min-height: 100px;
}

main ol {
    background-color: #ffffff;
    /* background-color: #003d73; */
    margin: 10px;
    border-radius: 10px;
}
main .boton-entrar-whatssap {
    width: 4rem;
    background-color: #35ca1f;
    /* background-color: #409933; */
    border-radius: 10px;
    border: solid 1px #22ff00;
    min-height: 2rem;
}

main .boton-entrar-telegram {
    width: 4rem;
    background-color: #2facebff;
    border-radius: 10px;
    border: solid 1px #22ff00;
    min-height: 2rem;
}

.main-logo {
    width: 3rem;
}

section {
    background-color: #ffd700;
    /* background-color: #f5ffd2; */
    margin: 10px;
    border-radius: 10px;
    padding: 10px;
}

section div {
    text-align: center;
}

section h1 {
    padding-top: 10px;
}

article {
    text-align: center;
}

#donacion {
    background-color: #ff5c5c;
    border-radius: 5px;
}

#donacion a {
    color: #ffffff;
}

footer {
    background: rgb(0,200,255);
    background: radial-gradient(circle, rgba(0,200,255,1) 0%, rgba(76,106,241,1) 50%, rgba(90,252,70,1) 100%); 
    color: #ffff;
    text-align: center;
    min-height: 200px;
}

ol {
    padding-bottom: 10px;
}

/* Clases */
.categoria {
    color: #0000ff;
    font-size: 2rem;
}

/* Criptomonedas */

.iframe-container {
    position: relative;
    width: 100%;
    min-height: 10rem;
    padding-bottom: 12.5%; /* Esto se calcula en base a la relación de aspecto 728/90, es decir, 90/728 * 100 = 12.5% */
    height: 0;
}

.responsive-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    padding: 0;
    overflow: hidden;
    background-color: transparent;
}

/* Anuncios */

#article-anuncios img {
    width: 70%;
    object-fit: cover;
    border: solid white;
}