@tolokoban/ui/lib/dist/view/FloatingButton/FloatingButton.module.css

React components with theme

.FloatingButton {
    --custom-color-back: #7df;
    --custom-color-text: #000;
    --custom-color-hover-back: 0;
    --custom-color-hover-text: 0;
    --custom-shadow: var(--theme-shadow-3);
    all: inherit;
    position: initial;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    border-radius: 50%;
    width: 2em;
    height: 2em;
    background-color: var(--custom-color-back);
    color: var(--custom-color-text);
    transition: 0.2s all;
    box-shadow: var(--custom-shadow);
}

.FloatingButton:hover {
    background-color: var(--custom-color-hover-back);
    color: var(--custom-color-hover-text);
}

button.FloatingButton:active {
    transform: translateY(0.25em);
    box-shadow: var(--theme-shadow-1);
}

button.FloatingButton[disabled] {
    pointer-events: none;
    box-shadow: none;
    filter: grayscale(100%);
}