Image overlay in css

background: linear-gradient(0deg, rgba(0, 0, 0, 0.86), rgba(0, 0, 0, 0.86)), url(your-img-path);

Overlay color on image css

footer#site-footer{  
  position:relative;
}

footer#site-footer:before {     /* use before property (pseudo-element)  */
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
}

Similar codes

89 votes202 views6 answers
Padding
CSS
0 vote149 views1 answer
How to remove text highlight on double click
CSS
0 vote173 views1 answer
Css background image follow scroll
CSS
1 vote164 views1 answer
How to change the underline thickness in css
CSS
0 vote228 views1 answer
Height current -3px css
CSS
0 vote212 views1 answer
Enable xdebug ddev
CSS
0 vote175 views1 answer
@keyframes opact
CSS
0 vote166 views1 answer
Css border-boz
CSS
99 votes198 views3 answers
Position property css
CSS
0 vote164 views2 answers
Html css change reading direction
CSS