Css Color & size font

Sorry, finally this code has not worked for me? Any other options?
Thank you Attached capture.
Is the red holder still: https://ilovecostadaurada.com/blog-esp/



#page-container .free-archive-blog .et_pb_post .entry-title {
font-weight: bold!important;
color: #5c5c5c!important;
}
@media screen and (max-width: 580px) {
#page-container .free-archive-blog .et_pb_post .entry-title {
font-size: 26px!important;
}
}