chromium/third_party/blink/web_tests/fast/css-grid-layout/grid-element-border-padding-grid-item.html

<!DOCTYPE html>
<html>
<script src="../../resources/check-layout.js"></script>
<link href="resources/grid.css" rel="stylesheet">
<style>
.grid {
    padding: 10px;
    border-top: 10px dotted blue;
    border-right: 20px dotted blue;
    border-bottom: 30px dotted blue;
    border-left: 40px dotted blue;
    grid-template-rows: 100px 100px;
    grid-template-columns: 100px 100px;
    width: 200px;
}

.item {
   width: 20px;
   height: 40px;
}
</style>
</head>
<body onload="checkLayout('.grid')">

<div>This test checks that the grid items are shifted by the grid container's paddings and borders before / start.</div>

<div style="position: relative">
    <div class="grid" data-expected-width="280" data-expected-height="260">
        <div class="item firstRowFirstColumn" data-offset-x="50" data-offset-y="20" data-expected-width="20" data-expected-height="40"></div>
        <div class="item firstRowSecondColumn" data-offset-x="150" data-offset-y="20" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowFirstColumn" data-offset-x="50" data-offset-y="120" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowSecondColumn" data-offset-x="150" data-offset-y="120" data-expected-width="20" data-expected-height="40"></div>
    </div>
</div>

<div style="position: relative">
    <div class="grid verticalRL" data-expected-width="280" data-expected-height="260">
        <div class="item firstRowFirstColumn" data-offset-x="230" data-offset-y="20" data-expected-width="20" data-expected-height="40"></div>
        <div class="item firstRowSecondColumn" data-offset-x="230" data-offset-y="120" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowFirstColumn" data-offset-x="130" data-offset-y="20" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowSecondColumn" data-offset-x="130" data-offset-y="120" data-expected-width="20" data-expected-height="40"></div>
    </div>
</div>

<div style="position: relative">
    <div class="grid verticalLR" data-expected-width="280" data-expected-height="260">
        <div class="item firstRowFirstColumn" data-offset-x="50" data-offset-y="20" data-expected-width="20" data-expected-height="40"></div>
        <div class="item firstRowSecondColumn" data-offset-x="50" data-offset-y="120" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowFirstColumn" data-offset-x="150" data-offset-y="20" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowSecondColumn" data-offset-x="150" data-offset-y="120" data-expected-width="20" data-expected-height="40"></div>
    </div>
</div>

<!-- rtl direction -->
<div style="position: relative">
    <div class="grid directionRTL" data-expected-width="280" data-expected-height="260">
        <div class="item firstRowFirstColumn" data-offset-x="230" data-offset-y="20" data-expected-width="20" data-expected-height="40"></div>
        <div class="item firstRowSecondColumn" data-offset-x="130" data-offset-y="20" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowFirstColumn" data-offset-x="230" data-offset-y="120" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowSecondColumn" data-offset-x="130" data-offset-y="120" data-expected-width="20" data-expected-height="40"></div>
    </div>
</div>

<div style="position: relative">
    <div class="grid verticalRL directionRTL" data-expected-width="280" data-expected-height="260">
        <div class="item firstRowFirstColumn" data-offset-x="230" data-offset-y="180" data-expected-width="20" data-expected-height="40"></div>
        <div class="item firstRowSecondColumn" data-offset-x="230" data-offset-y="80" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowFirstColumn" data-offset-x="130" data-offset-y="180" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowSecondColumn" data-offset-x="130" data-offset-y="80" data-expected-width="20" data-expected-height="40"></div>
    </div>
</div>

<div style="position: relative">
    <div class="grid verticalLR directionRTL" data-expected-width="280" data-expected-height="260">
        <div class="item firstRowFirstColumn" data-offset-x="50" data-offset-y="180" data-expected-width="20" data-expected-height="40"></div>
        <div class="item firstRowSecondColumn" data-offset-x="50" data-offset-y="80" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowFirstColumn" data-offset-x="150" data-offset-y="180" data-expected-width="20" data-expected-height="40"></div>
        <div class="item secondRowSecondColumn" data-offset-x="150" data-offset-y="80" data-expected-width="20" data-expected-height="40"></div>
    </div>
</div>

</body>
</html>