Membuat Spoiler di Blogger

Isi Spoiler . . .

kode html:
<br /> <span class="Apple-style-span" style="background-color: white; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 14px; line-height: 19px;"><div><br /> <div style="margin-bottom: <span class="Apple-style-span" style="color: blue;">5</span>px;"><br /> <div class="smallfont" style="margin: <span class="Apple-style-span" style="color: blue;">2</span>px;"><br /> <input value="Show" style="margin: 0px; padding: 0px; width: <span class="Apple-style-span" style="color: blue;">60</span>px; font-size: <span class="Apple-style-span" style="color: blue;">12</span>px;" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = ''; this.innerText = ''; this.value = '<span class="Apple-style-span" style="color: blue;">Hide</span>'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = '<span class="Apple-style-span" style="color: blue;">Show</span>'; }" type="button"/><br /> </div><br /> <div class="alt2" style="border: 1px inset ; margin: <span class="Apple-style-span" style="color: blue;">5</span>px; padding: 1px;"><br /> <div style="display: none;"><br /> <br /> <span class="Apple-style-span" style="color: blue;">Isi Spoiler . . .</span><br /> <br /> </div><br /> </div><br /> </div><br /> </div></span></div></div>