:root {
    --light: #2E3A46;
    --dark: #1E2D3B;
}

* {
    font-family: "Roboto", sans-serif;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* HEADER */
header {
    padding: 1rem;
    background-color: var(--light);
}

header img {
    height: 50px;
}

header select {
    background-color: var(--dark);
    color: #FFF;
    padding: 0.5rem;
    width: 200px;
}

/* MAIN */
main {
    flex-grow: 1;
    background-color: var(--dark);
    overflow: auto;
}

main .grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    align-items: center;
}

@media (min-width: 576px) {
    main .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    main .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    main .grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1200px) {
    main .grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1600px) {
    main .grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.my_card {
    background-color: var(--light);
    padding: 1rem;
    border-radius: 0;
    text-align: center;
    color: grey;
    height: 100%;
    min-height: 360px;
}

.my_card:hover .card-img-top::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.my_card .btn {
    display: none;
}

.my_card:hover .btn {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #FFF;
    border: 5px solid #FFF;
    border-radius: 100%;
    position: absolute;
    height: 4rem;
    width: 4rem;
    aspect-ratio: 1;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    font-size: 2rem;
}

.my_card h5 {
    color: #FFF;
    text-transform: uppercase;
}

.my_card .card-img-top {
    cursor: pointer;
}

.my_card .card-img-top img {
    width: 100%;
    aspect-ratio: 1;
}

.my_card .card-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1rem 0;
}

/* FOOTER */
footer {
    background-color: var(--light);
    padding: 1rem;
    color: grey;
    display: flex;
    justify-content: flex-end;
}