decred.org/dcrdex@v1.0.3/client/webserver/site/src/css/forms_dark.scss

body.dark {
  table.marketstable {
    color: #a1a1a1;
  }

  .order-opt.selected {
    background-color: #222e38;
  }

  #regAssetForm {
    div.reg-asset {
      .fader {
        background-image:
          linear-gradient(
            to bottom,
            #13202b00,
            $dark_panel
            90%
          );
      }

      &:not(.nohover):hover {
        .fader {
          background-image:
            linear-gradient(
              to bottom,
              #202c3500,
              #202c35
              90%
            );
        }
      }
    }

    .reg-asset-table {
      th, td {
        border-color: $dark_border_color;
      }
    }
  }

  ::-webkit-calendar-picker-indicator {
    filter: invert(1);
  }

  #newWalletForm {
    [data-tmpl=walletTypeTabs] {
      .wtab.selected {
        opacity: 1;
        background-color: #263846;
      }
    }

    .bordertop {
      border-top: solid 1px #999;
    }
  }

  .selectable.selected {
    border: 2px solid green;
  }
}