.single-post a{color: #2818DF;} 

.single-post p,
.single-post
 {
    line-height: 1.8;
}

.single-post p{
    margin-block-end: 1rem; 
}

.single-post h2{
    margin-block-start: 3rem;
    margin-block-end: 1rem;
    color: #2818DF;
}

.single-post h3{
    margin-block-start: 3rem;
    margin-block-end: 1rem;
    color: #2818DF;
}

.single-post a {
    color: #2818DF;
}

.single-post a:hover{
    color: #0D009D;
}