body.bw{
    color:#000 !important
}

body.bw svg,body.bw *{
    -webkit-filter: grayscale(100%); 
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
     filter: grayscale(100%);
     filter: gray; /* IE 6-9 */
}


body.smaller-text{
    font-size:14px  !important;
}
body.bigger-text{
    font-size:17px !important;
}