#banner {
    margin-top: 0px;
    padding-top: 60px;
    margin-bottom: 80px;
    position: relative;
    display: flex;
    height: 100%;
    overflow: hidden;
    /* text-shadow: 2px 2px 2px black; */
}

#c-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

#slider {
    display: flex;
    width: 500%;
    overflow: hidden;
}

#slider section {
    width: 100%;
}

#slider img {
    display: block;
    width: 100%;
    height: 100%;
}

#btn-prev, #btn-next {
    width: 40px;
    height: 40px;
    font-size: 22px;
    font-weight: bold;
    background: rgba(255, 255, 255, 0.5);
    text-align: center;
    border-radius: 50%;
    font-family: monospace;
    line-height: 40px;
    position: absolute;
    top: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    z-index: 10;
}

#btn-prev:hover, #btn-next:hover {
    background: rgba(255, 255, 255, 1);
}

#btn-prev {
    left: 20px;
}

#btn-next {
    right: -20px;
}

#banner .redes{
    position: absolute;
    top: 20%;
    right: 0;
    width: 50px;
    text-align: center;
    font-size: 25px;
    padding: 5px;
    background: red;
    border-radius: 10px 0 0 10px;
    display: none;
}

#banner .redes a {
    width: auto;
    padding: 0;
    margin: 0;
    text-decoration: none;
    border: none;
}

#banner .contenedor {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    color: #fff;
}

#banner h2 {
    font-size: 26px;
}

#banner a {
    display: block;
    width: 100px;
    color: #fff;
    text-decoration: none;
    padding: 5px;
    margin-top: 10px;
    border: 3px solid #fff;
}

#banner a:hover {
    background: rgba(51, 51, 51, 0.5);
}

/* @media es el media queries, significa consulta a los dispositivos */
@media(min-width: 480px) {
    #banner {
        height: auto;
    }
    #banner h2 {
        font-size: 40px;
    }
}

@media(min-width: 768px) {
    #banner {
        height: 400px;
        margin-top: 0;
        overflow: hidden;
    }
    /* #banner img {
        height: auto;        
    } */
}

@media(min-width: 1024px) {
    #banner {
        height: 550px;
        margin-top: 0;
    }
}