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<!DOCTYPE html>
<style>
.cb {
position: relative;
border: 3px solid black;
height: 100px;
width: 150px;
display: inline-block;
vertical-align: top;
margin: 5px;
}
.wide {
width: 350px;
}
.abs {
margin: 0;
position: absolute;
box-sizing: border-box;
top: 3px;
left: 3px;
outline: 2px solid lime;
width: calc(100% - 6px);
height: calc(100% - 6px);
}
</style>
<div class="cb"><select class="abs"><option>select</option></select></div>
<div class="cb"><output class="abs">output</output></div>
<div class="cb"><label class="abs">label</output></div>
<div class="cb"><fieldset class="abs">fieldset</fieldset></div>
<div class="cb wide"><textarea class="abs">textarea</textarea></div>
<div class="cb wide"><progress value="0.4" class="abs"></div>
<div class="cb wide"><meter value="0.4" class="abs"></div>