.shelly i.material-icons
{
    cursor: pointer;
}
.shelly .switcher i.material-icons
{
    font-size: 500%;
}
.shelly .switcher i.on
{
    color: green;
}
.shelly .switcher i.off
{
    color: gray;
}

.shelly .loader
{
    animation: rotation 4s infinite linear;
}

@keyframes rotation {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(359deg);
    }
}