body.wp-singular.single.single-post main {
    background-color: #222a42;
    color: whitesmoke;
    padding-block: 5%;
}

body.wp-singular.single.single-post hr {
  border: none;
  border-top: 1px solid #d1836e;
  opacity: 1;
}

body.wp-singular.single.single-post h1 {
    color: whitesmoke !important;
    margin-bottom: 1.5rem;
}

@media screen and (max-width: 991px) {
    header {
        top: 0px !important;
    }
    main section:first-child {
        padding: 0 !important;
        margin: 0 !important;
    }
}