<style>
/* Example of a common CSS pitfall: using margin and padding inconsistently */
.box {
width: 200px;
margin: 0 auto; /* centers the box */
padding: 20px; /* adds space inside the box */
background-color: lightblue;
/* Inconsistent box-sizing can lead to unexpected sizes */
}
/* Browser inconsistency example: Flexbox not supported in IE 10 or below */
.flex-container {
display: -webkit-box; /* old syntax */
display: -ms-flexbox; /* IE 10 */
display: flex;
}
.flex-item {
-webkit-flex: 1; /* old syntax */
-ms-flex: 1; /* IE 10 */
flex: 1; /* modern browsers */
}
</style>
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