.signingtime_custom_blocks_social_image{
    padding-left:5px;
    padding-right:5px;
    opacity:1.0;
    filter: grayscale(1) invert(1);
}
.signingtime_custom_blocks_social_image_light{
    padding-left:5px;
    padding-right:5px;
    opacity:1.0;
    filter: grayscale(.5) invert(.5);
}
.signingtime_custom_blocks_social_image_light:hover{
    opacity:0.3;
    transition: 1s ease;
}
.signingtime_custom_blocks_social_image:hover{
    opacity:0.3;
    transition: 1s ease;
}