* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container-panel {
    background-color: cornflowerblue;
    padding: 20px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, .5);
}

.container-panel h1 {
    margin-bottom: 25px;
    text-align: center;
    text-transform: capitalize;
}

.settings {
    display: flex;
    justify-content: space-around;
}

.settings>div {
    flex: 1;
    padding: 10px;
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 15px;
}

.settings>div:not(:last-child) {
    border-right: 1px solid rgba(0, 0, 0, .5)
}

.settings>div label {
    text-transform: capitalize;
    text-align: center;
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 600;
}

.numbersOfColumns,
.settings>div input[type='text'] {
    padding: 2px;
    font-size: 18px;
    text-align: center;
    letter-spacing: 2px;
}

/* END CONTROL PANEL */
/* /////////////////////////////////////////////// */

.main {
    padding: 100px 10px;
}

.main-container {
    max-width: 1220px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.card {
    margin: 0 auto;
    width: 100%;
    max-width: 450px;
    padding: 15px;
    border-radius: 5px;
    display: none;
    background-color: #ffffff;
    box-shadow: 1px 1px 5px rgba(0, 0, 0, .5);
}

.card.theme-change {
    background-color: black;
    color: #ffffff;
}

.card:nth-child(1),
.card:nth-child(2),
.card:nth-child(3),
.card:nth-child(4) {
    display: block;
}

.card-up {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pic-text {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pic-text img {
    width: 70px;
    height: 70px;
    border-radius: 50%;
}

.pic-text .name-year>* {
    margin-bottom: 5px;
}

.img-media img {
    width: 30px;
    height: 30px;
    cursor: pointer;
}

.card-center {
    /* height: 570px; */
    padding: 20px 0;
    border-bottom: 2px solid rgba(0, 0, 0, .15);
    cursor: pointer;
}

.card.theme-change .card-center {
    border-bottom: 2px solid #ffffff;
}


.card-center img {
    width: 100%;
    height: 300px;
    margin-bottom: 15px;
    background-size: cover;
}

.card-center figcaption {
    font-size: 17px;
    line-height: 25px;
}

.card-down {
    padding: 20px 0;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 20px;
}

.card-down img {
    width: 25px;
    height: 25px;
    cursor: pointer;
}

.card-down img.active {
    background-color: yellow;
}

.card.theme-change .card-down img {
    background-color: #ffffff;
}

.card.theme-change .card-down img.active {
    background-color: yellow;
}

.btn {
    display: block;
    margin: 0 auto 40px;
    border: none;
    background-color: rgb(55, 118, 235);
    color: #ffffff;
    padding: 20px;
    text-transform: uppercase;
    font-weight: 600;
    cursor: pointer;
    border-radius: 5px;
    font-size: 18px;
    letter-spacing: 1px;
}

.btn:hover {
    background-color: rgba(55, 118, 235, 0.8);
}

/* /////////////////////////////////// */

.pop-up-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .5);
    z-index: 100;
    display: none;
}

.pop-up {
    position: absolute;
    width: 85%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 15px;
    background-color: #fff;

    display: flex;
    gap: 15px;
}

.pop-up-container .pop-up .pop-up-content .pic-text {
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, .25);
}

.pop-up-container .pop-up .pop-up-content .pic-text .name-year {
    flex: 1;
}

.pop-up-container .pop-up .pop-up-content figcaption {
    margin-top: 20px;
}

.pop-up .pop-up-image {
    flex: 1;
}

.pop-up .pop-up-image img {
    width: 100%;
    height: 100%;
}

.pop-up .pop-up-content {
    position: relative;
    flex: 1;
}

.close {
    display: block;
    padding: 15px 30px;
    border: none;
    position: absolute;
    bottom: 0 ;
    right: 0 ;
    font-size: 20px;
    cursor: pointer;
    font-weight: 600;
    color: #ffffff;
    background-color: rgb(100, 149, 237);
    border-radius: 5px;
}

.close:hover {
    background-color: rgba(100, 149, 237, 0.8);
}





/* /////////////////////////////////////// */
/* MEDIA QUERY */

@media only screen and (max-width: 992px) {
    .main-container {
        grid-template-columns: repeat(2, 1fr);
        max-width: 910px;
    }

    .settings .num-of-column {
        display: none;
    }

}

@media only screen and (max-width: 768px) {
    .main-container {
        grid-template-columns: repeat(1, 1fr);
    }

    .settings {
        flex-direction: column;
    }

    .settings>div {
        gap: 0;
    }

    .settings>div:not(:last-child) {
        border-right: none;
    }
}

@media only screen and (max-width: 610px) {
    .pop-up {
        flex-direction: column;
    }

    .pop-up .pop-up-image img {
        display: block ;
        margin: 0 auto ;
        width: 50%;
        height: 95%;
    }
}