discourse/plugins/poll/assets/stylesheets/desktop/poll.scss

div.poll {
  display: table;
  width: 100%;
  box-sizing: border-box;

  .poll-info {
    min-width: 150px;
    width: 100%;
    display: table-cell;
    text-align: center;
    border-left: 1px solid $primary-low;

    .info-number {
      font-size: 3.5em;
    }

    p {
      margin: 1.5em;
    }

    .info-label {
      display: block;
    }
  }

  .poll-container {
    display: table-cell;
    width: 100%;
  }

  .poll-buttons {
    border-top: 1px solid $primary-low;
    padding: 1em 1.25em;

    .toggle-status {
      float: right;
    }
  }
}

.d-editor-preview {
  .poll-buttons {
    a:not(:first-child) {
      margin-left: 0.25em;
    }
  }

  .poll {
    li[data-poll-option-id]:before {
      position: relative;
      vertical-align: baseline;
      border: 2px solid $primary;
      border-radius: 50%;
      display: inline-block;
      margin-right: 0.5em;
      width: 12px;
      height: 12px;
      content: "";
    }

    &[data-poll-type="multiple"] {
      li[data-poll-option-id]:before {
        border-radius: 3px;
      }
    }
  }
}