.sm-menu-wrapper ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.sm-main-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    cursor: pointer;
    text-decoration: none;
    border-bottom: 1px solid #eee;
    transition: all 0.3s ease;
}
.sm-main-item:hover {
    background-color: #f9f9f9;
}
.sm-sub-item {
    display: block;
    padding: 10px 20px 10px 40px;
    text-decoration: none;
    border-bottom: 1px solid #f5f5f5;
    transition: all 0.3s ease;
}
.sm-sub-item:hover {
    background-color: #f1f1f1;
}
.sm-icon {
    transition: transform 0.3s ease, color 0.3s ease;
    display: inline-flex;
    align-items: center;
}
.sm-has-children.active .sm-icon {
    transform: rotate(180deg);
}