.feature-box-title.fbox-toggle {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 30px;
}

.feature-box-title.fbox-toggle::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2em;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.feature-box-title.fbox-toggle.fbox-active::after {
    content: '−';
}

.feature-box-title.fbox-toggle:hover {
    opacity: 0.8;
}

.fbox-content {
    transition: all 0.3s ease;
}