<div id="btn"
onclick="captureDiv()"
style="cursor: pointer; border: 0px red solid; background: #4f81bd; color: white; position: absolute; top: calc(0.554 * var(--height)); right: calc(0.03 * var(--height)); font-size: calc(0.032 * var(--height)); margin: calc(0.004 * var(--height)); padding-top: calc(0.0 * var(--height)); padding-bottom: calc(0.005 * var(--height)); padding-left: calc(0.015 * var(--height)); padding-right: calc(0.015 * var(--height)); border-radius: calc(0.00 * var(--height));">png</div>