How to write the style of an arrow in css

due to the requirement of the project, we cannot use icon, pictures, so we can only use css to realize many triangles on the
clipboard.png
net, but we can"t find this arrow. Please give me a method

.
Mar.07,2021

  1. two sides of a square
  2. rotate 45 degrees

=


svg

<svg width="14" height="14" xmlns="http://www.w3.org/2000/svg" version='1.1'>
                            <!--M:moveto L:lineto-->
                            <path d="M0 0 L8 7 L0 14" stroke="-sharpfff" stroke-width="1" fill="none"/>
                        </svg>
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