.switch_on_small {
    background-image: url('../assets/buttons/switch_on_41_18px.png');
    background-repeat: no-repeat;
    background-size: 41px 18px;
    background-position: center;
    
    width: 41px;
    height: 18px;
    border: none;
    margin:auto;

    cursor: pointer;   
}
.switch_off_small {
    background-image: url('../assets/buttons/switch_off_41_18px.png');
    background-repeat: no-repeat;
    background-size: 41px 18px;
    background-position: center;
    
    width: 41px;
    height: 18px;
    border: none;
    margin:auto;

    cursor: pointer;   
}