* {
    --mark-gradient: linear-gradient(to right, 
        #00a2ff, 
        #0064fa);
    --h1-color: #2d3138;
    --h2-color: #373c44;
    --h3-color: #424751;
    --h4-color: #4d535e;
    --h5-color: #5c6370;
    --h6-color: #646b79;
}