html - :before pseudo element overlaping edge of screen/browser -

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the pseudo-element created :before seems overlap edge of screen. fiddling left doesn't fix it, , overlap edge of container element if place within 1 , move element.

.hex:before {     content: " ";     position: absolute;     height: 0px;     width: 0px;     float: left;     border-right: 30px solid #6c6;     border-top: 52px solid transparent;     border-bottom: 52px solid transparent;     left: -30px; }  .hex {     position: relative;     float: left;     width: 60px;     height: 104px;     background-color: #6c6; }  .hex:after {     content: " ";     position: absolute;     float: left;     border-left: 30px solid #6c6;     border-top: 52px solid transparent;     border-bottom: 52px solid transparent;     right: -30px; }

below trivial html:

  <div class='board'>     <div class="hex"></div>   </div>

you need offset main element, can either use left: 30px; or margin-left:30px inside .hex

demo fiddle


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