body {
    background: linear-gradient(to right bottom,
            rgba(255, 255, 255, .9),
            rgba(0, 0, 0, .2));
}

.container {
    width: 100%;
    max-width: 1110px;
    box-shadow: 0 3px 1px -2px rgba(0, 0, 0, 0.2),
        0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
    margin: 05px auto;
    border-radius: 10px;
    overflow: hidden;
}

.banner {
    background: linear-gradient(to right bottom,
            rgba(15, 17, 35),
            rgba(15, 17, 35));
    padding: 20px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.banner .title {
    color: #fff;
    font-size: 30px;
    opacity: 0.8;
    margin: 0;
}

.banner .fa-arrow-down {
    color: #fff;
    margin-top: 10px;
    width: 35px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50px;
    background-color: rgba(255, 255, 255, .05);
}

.section {
    padding: 20px;
}

.section-description {
    color: rgba(0, 0, 0, .87);
    text-align: justify;
    margin: 0;
}

/**BTN IR ARRIBA**/
.button-arriba {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: all .5s ease;
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 99;
    display: flex;
    justify-content: center;
    align-items: center;
}

.button-arriba .item {
    width: 0%;
    height: 0%;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 3px 1px -2px rgba(0, 0, 0, 0.2),
        0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
    background-color: #283593;
    color: #fff !important;
    opacity: 0;
    transform: scale(0);
    cursor: pointer;
    box-shadow: var(--box-shadow);
    transition: all .5s ease;
}

.shows {
    animation: popup .5s ease-in-out !important;
    transform: scale(1) !important;
    opacity: 1 !important;
    width: 100% !important;
    height: 100% !important;
    transition: all .5s ease;
}

@keyframes popup {
    0% {
        width: 0% !important;
        height: 0% !important;
        opacity: 0 !important;
    }

    50% {
        width: 50% !important;
        height: 50% !important;
        opacity: 0.5 !important;
    }

    100% {
        width: 100% !important;
        height: 100% !important;
        opacity: 1 !important;
    }
}