.THEME_NAME {
  @mixin card-spec($main-color, $second-color, $second-color-hue, $third-color) {
    background-color: $main-color;
    color: $second-color;

    .md-card-header,
    .md-card-actions {
      .md-icon-button:not(.md-primary):not(.md-warn):not(.md-accent) {
        .md-icon {
          color: $second-color-hue;
        }
      }
    }

    .md-input-container {
      &.md-input-focused {
        input,
        textarea {
          color: $second-color;
          text-shadow: 0 0 0 $second-color;
        }

        label,
        .md-icon:not(.md-icon-delete) {
          color: $second-color;
        }
      }

      &:after {
        background-color: $second-color;
      }

      input,
      textarea {
        color: $second-color;
        text-shadow: 0 0 0 $second-color;

        &::-webkit-input-placeholder {
          color: $third-color;
        }
      }

      label,
      .md-icon:not(.md-icon-delete) {
        color: $second-color;
      }
    }
  }

  &.md-card {
    background-color: #{'BACKGROUND-COLOR'};

    &.md-primary {
      @include card-spec(#{'PRIMARY-COLOR'}, #{'PRIMARY-CONTRAST'}, #{'PRIMARY-CONTRAST-0.87'}, #{'PRIMARY-CONTRAST-0.54'})
    }

    &.md-accent {
      @include card-spec(#{'ACCENT-COLOR'}, #{'ACCENT-CONTRAST'}, #{'ACCENT-CONTRAST-0.87'}, #{'ACCENT-CONTRAST-0.54'})
    }

    &.md-warn {
      @include card-spec(#{'WARN-COLOR'}, #{'WARN-CONTRAST'}, #{'WARN-CONTRAST-0.87'}, #{'WARN-CONTRAST-0.54'})
    }

    .md-card-header,
    .md-card-actions {
      .md-icon-button:not(.md-primary):not(.md-warn):not(.md-accent) {
        .md-icon {
          color: #{'BACKGROUND-CONTRAST-0.54'};
        }
      }
    }

    > .md-card-area {
      &:after {
        background-color: #{'BACKGROUND-CONTRAST-0.12'};
      }
    }

    .md-card-media-cover {
      &.md-text-scrim {
        .md-backdrop {
          background: linear-gradient(to bottom, #{'BACKGROUND-CONTRAST-0.0'} 20%, #{'BACKGROUND-CONTRAST-0.275'} 66%, #{'BACKGROUND-CONTRAST-0.55'} 100%);
        }
      }

      &.md-solid {
        .md-card-area {
          background-color: #{'BACKGROUND-CONTRAST-0.4'};
        }
      }
    }

    .md-card-expand {
      .md-card-actions {
        background-color: #{'BACKGROUND-COLOR'};
      }
    }
  }
}