body {
    background-color: #f0f2f5;
    font-family: 'Poppins', sans-serif;
    color: #1c1e21;
}

.linktree-container {
    max-width: 680px;
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.profile-picture {
    width: 96px;
    height: 96px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1rem;
    transition: transform 0.3s ease-in-out;
}

.profile-picture:hover {
    transform: scale(1.1);
}

.profile-name {
    font-size: 1.25rem;
    font-weight: 700;
}

.link-button {
    background-color: #ffffff;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.link-button i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.link-button:hover {
    opacity: 0.9;
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    color: #ffffff;
}

.link-button:active {
    transform: translateY(1px);
}

.submenu-button {
    position: relative;
}

.submenu-button::after {
    content: '\25BC';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease-in-out;
    color: inherit;
}

.submenu-button[aria-expanded="true"]::after {
    transform: translateY(-50%) rotate(180deg);
}

.submenu-links .link-button {
    margin-top: 0.5rem;
    box-shadow: none;
}

.submenu-links .link-button:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.background-1 {
    background-color: #85644d;
}

.background-2 {
    background-color: #8f6e57;
}

.background-3 {
    background-color: #9b7d67;
}

.background-4 {
    background-color: #af8c74;
}

.background-5 {
    background-color: #a89183;
}

.background-6 {
    background-color: #885938;
}

.background-7 {
    background-color: #173a63;
}