Additive Border
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        <!-- Additive Border --><span class="border"></span><span class="border-top"></span><span class="border-right"></span><span class="border-bottom"></span><span class="border-start"></span>
          Border All Side
            Border Top
            Border Right
            Border Bottom
            Border Left
          Border Width
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        <!-- Border Width --><span class="border"></span><span class="border border-2"></span><span class="border border-3"></span><span class="border border-4"></span><span class="border border-5"></span>
          Border 1px
            Border 2px
            Border 3px
            Border 4px
            Border 5px
          Subtractive Border
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        <!-- Subtractive Border --><span class="border-0"></span><span class="border-top-0"></span><span class="border-end-0"></span><span class="border-bottom-0"></span><span class="border-start-0"></span>
          Border All Side
            Border Top
            Border Right
            Border Bottom
            Border Left
          Border color
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        <!-- Border Color --><span class="border border-primary"></span><span class="border border-secondary"></span><span class="border border-success"></span><span class="border border-danger"></span><span class="border border-warning"></span><span class="border border-info"></span><span class="border border-dark"></span><span class="border border-white"></span><span class="border border-light"></span>
          Border Primary
            Border Secondary
            Border Success
            Border Danger
            Border Warning
            Border Info
            Border Light
            Border Dark
            Border White
          Border Radius
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        <!-- Border Radius --><span class="rounded"></span><span class="rounded-top"></span><span class="rounded-right"></span><span class="rounded-bottom"></span><span class="rounded-left"></span><span class="rounded-circle"></span><span class="rounded-pill"></span><span class="rounded-0"></span><span class="rounded-lg"></span>
          Rounded
            Rounded Top
            Rounded Right
            Rounded Bottom
            Rounded Left
            Rounded Circle
            Rounded Pill
            Rounded 0
            Rounded Large