.sidebar {
    background-color: var(--secondary-color);
    box-shadow: 2px 2px 5px var(--background-color);
    position: fixed;
    height: 100%;
    padding: 1rem;
    top: 0;
    transition: 0.3s;
    z-index: var(--sidebar-z-index);
}

.sidebar-button {
    background-color: var(--primary-color);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    height: 2rem; /* 32px */
    padding: 8px;
    width: 2rem; /* 32px */
}

.sidebar-button__icon {
    color: var(--primary-font-color);
    font-size: 1rem; /* 16px */
}

.sidebar-header {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.sidebar-header__title {
    color: var(--primary-color);
    margin: 0;
}