standardnotes-app-web/app/assets/stylesheets/_modals.scss

#permissions-modal {
  width: 350px;
  .sk-panel {
    border-radius: 0;
  }
  .sk-panel-content {
    padding-top: 1.1rem;
  }
  .sk-panel-footer {
    padding-bottom: 1.4rem;
  }
}

.challenge-modal {
  max-width: 480px;
  min-width: 400px !important;

  .prompt, .subprompt {
    text-align: center;
  }
  .sk-panel .sk-panel-header {
    justify-content: center;
  }
  input {
    text-align: center;
  }
}

#account-switcher {
  min-width: 400px;
  max-width: 580px;
  input, input:disabled {
    width: 100%;
    border: none;
    background-color: transparent !important;
    color: inherit;
    margin-left: -2px;
  }

  input.clickable:hover {
    cursor: pointer;
  }
}

#item-preview-modal {
  > .sk-modal-content {
    width: 800px;
    height: 500px;
  }
}

.header .subtitle {
  font-size: 1.1rem;
}

.sk-modal {
  position: absolute;
  margin-left: auto;
  margin-right: auto;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: $z-index-modal;
  width: 100%;
  height: 100%;

  background-color: transparent;
  color: var(--sn-stylekit-contrast-foreground-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;

  .sn-component {
    height: 100%;
    .sk-panel {
      height: 100%;
    }
  }

  &.auto-height {
    > .sk-modal-content {
      height: auto !important;
    }
  }

  &.large {
    > .sk-modal-content {
      width: 900px;
      height: 600px;
    }
  }

  &.medium {
    > .sk-modal-content {
      width: 700px;
      height: 500px;
    }
  }

  &.small {
    > .sk-modal-content {
      width: 700px;
      height: 344px;
    }
  }

  .sk-modal-background {
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 100%;
    background-color: var(--sn-stylekit-contrast-background-color);
    opacity: 0.7;
  }

  > .sk-modal-content {
    overflow-y: auto;
    width: auto;
    padding: 0;
    padding-bottom: 0;
    min-width: 300px;

    -webkit-box-shadow: 0px 2px 35px 0px rgba(0, 0, 0, 0.19);
    -moz-box-shadow: 0px 2px 35px 0px rgba(0, 0, 0, 0.19);
    box-shadow: 0px 2px 35px 0px rgba(0, 0, 0, 0.19);
  }
}

// Optionally use if .component-view container is not flex-based
.component-view-container {
  flex-grow: 1;
  display: flex;
  height: 100%;
  width: 100%;
}

.component-view {
  flex-grow: 1;
  display: flex;
  flex-direction: column;

  // required so that .loading-overlay absolute works properly wrt to modal components. However, seems to break #note-tags-component-container.
  // I couldn't find any solution to this other than to customize .component-view position back to inherit for note-tags-component-container.
  position: relative;

  // not sure why we need this. Removed because it creates unncessary scroll bars. Tested on folders extension, creates horizontal scrollbar at bottom on windows
  // overflow: auto;
  // Update: we needed that because when we display the expired Extended view, it allows it to scroll vertically.
  overflow-y: auto;

  .sn-component {
    min-width: 100%;
    z-index: $z-index-component-view;
  }

  .loading-overlay {
    position: absolute;
    background-color: var(--sn-stylekit-editor-background-color);
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
  }

  iframe {
    // We're disabling flex: 1; because on Firefox, it causes weird sizing issues with component stack items.
    // Not sure yet if totally required.
    // Update: The extensions manager doesn't display correctly without it
    // flex-grow: 1 should fix that.

    flex-grow: 1;
    width: 100%;
    height: 100%;
    background-color: transparent;
  }
}