.body {
    display: flex;
    flex-direction: column;
    height: 100vh;
    margin: 0;
    background-color: black;
}

.text {
    font-family: sans-serif;
    color: white;
    text-decoration: none;
}

.link {
    color: deepskyblue;
}

.link:hover {
    color: dodgerblue;
}

.grid-container {
    overflow: hidden;
    display: grid;
    grid-template-rows: repeat(4, 1fr);
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 2.5vh;
    margin: 2.5vh;
}

.grid-cell-button {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    cursor: pointer;
}

.lesson-plan-grid-cell-button {
    grid-column: 1 / span 2;
}

.grid-cell-button:hover .grid-cell-button-text {
    opacity: 0;
}

.grid-cell-button:hover .grid-cell-button-image {
    filter: blur(0);
}

.grid-cell-button-image {
    object-fit: cover;
    width: 100%;
    height: 100%;
    filter: blur(5px) brightness(0.5);
    transition: filter 250ms ease-in-out;
}

.grid-cell-button-text {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 90%;
    transform: translate(-50%, -50%);
    font-size: clamp(20px, 4vw, 36px);
    font-weight: bold;
    text-align: center;
    transition: opacity 250ms;
}

.footer {
    margin-left: 2.5vh;
    margin-right: 2.5vh;
    margin-bottom: 2.5vh;
    color: white;
    text-align: center;
    font-size: max(16px, 1vw);
}