.button {
    display: inline-block;
    padding: 12px 16px;
    border-radius: 4px;
    border: none;
    font-size: 1em;
    background-color: var(--primary-color);
    color: var(--white-color);
    cursor: pointer;
}

.button.gray {
    background-color: var(--gray-button-background-color);
    color: var(--black-color);
}

.button.small {
    padding: 8px 12px;
    font-size: 0.9em;
}

.icon-button {
    display: inline-block;
    padding: 4px;
    background-color: transparent;
    border-radius: 100%;
    border: none;
    cursor: pointer;
}