:root {
    --ethtip-shadow-color: rgba(0, 0, 0, 0.2);
    --ethtip-background-color: white;
}

@media (prefers-color-scheme:dark) {
    :root {
        --ethtip-shadow-color: rgba(255, 255, 255, 0.2);
        --ethtip-background-color: rgb(17, 17, 17);
    }
}

#ethTip {
	display: none;
    width: 50px;
    height: 50px;
    border-radius: 25px;
    position: fixed;
    bottom: 30px;
    right: 40px;
    border: 0;
    cursor: pointer;
    box-shadow: 0 4px 8px 0 var(--ethtip-shadow-color), 0 6px 20px 0 var(--ethtip-shadow-color);
    background: url('https://bthdonohue.com/ethTip/eth.png') no-repeat center;
    background-color: var(--ethtip-background-color);
	background-size: 22px 35px;
}

#ethTip.active {
	display: block;
}

#ethTip:active {
    transform: scale(0.95);
    box-shadow: 0 2px 4px 0 var(--ethtip-shadow-color), 0 3px 10px 0 var(--ethtip-shadow-color);
}

@media screen and (max-width: 680px) {
    #ethTip {
        right: 20px;
        bottom: 20px;
    }
}