.btn-alspek {
    --bs-btn-color: #fff;
    --bs-btn-bg: #6d2123;
    --bs-btn-border-color: #6d2123;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #992d32;
    --bs-btn-hover-border-color: #992d32;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #6d2123;
    --bs-btn-active-border-color: #6d2123;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #6d2123;
    --bs-btn-disabled-border-color: #6d2123;
}

.navbar-nav {
    text-transform: none;
}

body {
    font: 500 13px / 19px "Inter", Helvetica, Arial, Verdana, sans-serif;
    background: #f5f5f5;
}

#tree-container {
    max-width: 900px;
    margin: auto;
}

#cards {
    display: grid;
    grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.card-img-top {
    cursor: pointer;
    max-height: 130px;
}

.card {
    cursor: pointer;
}

.img-urlap {
    margin-top: 1rem;
    margin-bottom: 1rem;
    max-width: 200px;
    max-height: 200px;
}

input[type="radio"]:checked+label { font-weight: bold; }