------------------------------- <div class="pre-spoiler"> <input name="Deutsch" type="button" onClick="if (this.parentNode.getElementsByTagName('div')[0].style.display != 'none') { this.parentNode.getElementsByTagName('div')[0].style.display = 'none'; this.value = 'ButtontextSpoiler'; } else { this.parentNode.getElementsByTagName('div')[0].style.display = 'block'; this.value = 'ButtontextSpoiler';}" value="ButtontextSpoiler"> <div class="spoiler" style="display: none;"> <br>Text </div> #Make button white, via "KompoZer's "split-view" -> edit button" <input name="Buttonz" onclick="if (this.parentNode.getElementsByTagName('div')[0].style.display != 'none') { this.parentNode.getElementsByTagName('div')[0].style.display = 'none'; this.value = 'Buttonz'; } else { this.parentNode.getElementsByTagName('div')[0].style.display = 'block'; this.value = 'Buttonz';}" value="Buttonz" background-color:="" white;="" border-color:white;="" color:="" white="" type=" style="> (SOURCE: https://forum.chip.de/discussion/1381745/spoiler-in-html) </plaintext>