header {
    background-color: var(--box);
    color: var(--white);
    display: flex;
    flex: 1;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    top:0.5rem;
    left: 18rem;
    right: 0.5rem;
    padding: 0.5rem;
    height:3rem;
    box-sizing: border-box;
    border-radius: 0.75rem;
    transition: 0.3s ease-in-out;
}
header.expanded {
    left: 0.5rem;
}
header .user-menu {
    display: flex;
    justify-content: start;
    align-items: center;
    gap: 0.5rem;
}
header .user-menu img {
    border-radius: 0.5rem;
    width: 2rem;
    height: 2rem;
}
.buttons-topbar {
    display: flex;
    align-items: center;
    justify-content: start;
    gap: 0.5rem;
}
#toggle-menu-label {
    border: 2px solid var(--primary);
}
#toggle-menu, #toggle-right-sidebar {
    display: none;
}