la-visitor/theme/style/mode-selector.css

.mode-selector {
    box-sizing: border-box;
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100vw;
    height: 100vh;
    padding-top: 40px;
    padding-bottom: 40px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    overflow-y: auto;
}

.mode-selector .selector-item {
    box-sizing: border-box;
    width: 30%;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 40px;
    padding: 40px;
    border: 3px solid transparent;
    cursor: pointer;

    transition:
        border-color 0.5s,
        transform 0.5s;
}

@media only screen and (max-width: 800px) {
    .mode-selector .selector-item {
        width: 100%;
        max-width: 400px;
    }
}

.mode-selector .selector-item p {
    font-size: 24px;
    font-weight: bold;
}

.mode-selector .selector-item img {
    width: 100%;
    box-sizing: border-box;
}

.mode-selector .selector-item:hover {
    border-color: var(--font-color);
    transform: scale(1.1);
}