waveterm/frontend/app/element/iconbutton.scss

.iconbutton {
    cursor: pointer;
    opacity: 0.7;
    align-items: center;

    &.bulb {
        color: var(--bulb-color);
        opacity: 1;

        &:hover i::before {
            content: "\f672";
            position: relative;
            left: -1px;
        }
    }

    &:hover {
        opacity: 1;
    }

    &.disabled {
        cursor: default;
        opacity: 0.45 !important;
    }
}