Custom dark theme for Dark Reader extension on Github site

DarkReader_GithubThemes.css

body {
    background-color: #282a36 !important;
}
.Header, .Header-old {
    background-color: #48396C !important;
}
@media (min-width: 1012px) {
    .page-responsive .HeaderMenu-link {
        color: #dfb4fb;
    } 
    .HeaderMenu-summary.HeaderMenu-link::before {
        color: #57b2ff !important;
    }  
}
.Header-link {
    color: #dfb4fb;
}
.Header-link:focus, .Header-link:hover, .HeaderMenu-summary.HeaderMenu-link::before {
    color: #57b2ff;
    text-decoration-color: initial;
}
.header-search-wrapper, .dropdown-menu {
    background-color: rgb(47, 37, 70) !important;
}
.hx_page-header-bg {
    background-color: #23242f !important;
}
.color-bg-primary, .color-bg-secondary {
    background-color: #2F2546 !important;
}
.pagehead {
    border-bottom: 1px solid #dfb4fb ;
}
.Box {
    background-color: #23242f !important;
}
.Box-header, .file-header, .comment-form-head { 
    background-color: #2F2546 !important;
}
.Box-row { 
    background-color: rgb(40 42 54) !important;
}
.navigation-focus{
    background-color: #2d2f3d !important;
}
input.form-control, .form-select {
    background-color: #23242F !important;
}
.discussion-timeline-actions {
    background-color: #282a36 !important;
} 
.timeline-comment {
    background-color: #23242F !important;
}
.form-control.input-contrast.comment-form-textarea {
    background-color: #23242F !important;
}
.btn-link.tabnav-tab[aria-selected="true"] {
    background-color: #22232E !important;
}
.CodeMirror, .CodeMirror-lines {
    background-color:  #22232E !important;
}
.CodeMirror-gutters {
    background-color:  #272935 !important;
}
.color-border-secondary {
    border-color: #dfb4fb !important;
}
.file, .Box, .Box-header, .Box-body {
    border-color: #dfb4fb !important;
}
.BorderGrid-cell {
    border: 1px solid #dfb4fb;
}
.discussion-timeline-actions {
    border-top: 2px solid #dfb4fb;
}