Cara membuat Spoiler dengan background Warna

KODE SPOILER <div id="spoiler"> <div> <input name="button" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')['show'].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')['show'].style.display = ''; this.parentNode.parentNode.getElementsByTagName('div')['hide'].style.display = 'none'; this.innerText = ''; this.value = 'TUTUP'; } else { this.parentNode.parentNode.getElementsByTagName('div')['show'].style.display = 'none'; this.parentNode.parentNode.getElementsByTagName('div')['hide'].style.display = ''; this.innerText = ''; this.value = 'LIHAT LAGI'; }" style="font-size: 11px; font-weight: bold; margin: 5px; padding: 0px;" type="button" value="CONTOH SPOILER DENGAN BORDER DAN WARNA BACKGROUND" /></div> <div id="show" style="border: 1px solid white; display: none; margin: 5px; padding: 2px; width: 98%;"> <div style="background: none repeat scroll 0% 0% #ebf3fb; border: 1px solid #aaccee; color: black; margin: 0px; padding: 7px;"> <div style="text-align: justify;"> Masuk kan postingan atau gambar disini</div> </div> <div id="hide"> </div> </div> </div>