#dqFlowToolBar>div {
    border-radius: 10px;
    
    transition: 100ms;
    padding: 2px;
    display: block;
    margin: 0;
    background-clip: padding-box;
    border-left: 2px solid transparent;
    border-right: 2px solid transparent;
    
    width:50px;
    height:50px;
    margin:1px;
    float: left;
}

#dqFlowToolBar>div:hover {
    background-color: var(--hover);
    border: 1px solid lightgreen;
}

#dqFlowToolBar>div:active>canvas {
    transform: scale(0.8);
}

#dqFlowToolBar>div>canvas {
    width: 49px;
    height: 49px;
    transition: 100ms;
    margin: 1px;
}