1.0SimpleCert®https://simplecert.net/helprich600338<blockquote class="wp-embedded-content" data-secret="2oGtedhnEj"><a href="https://simplecert.net/help/why-is-my-background-image-blurry/">Why is my background image blurry?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://simplecert.net/help/why-is-my-background-image-blurry/embed/#?secret=2oGtedhnEj" width="600" height="338" title="“Why is my background image blurry?” — SimpleCert®" data-secret="2oGtedhnEj" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://simplecert.net/help/wp-includes/js/wp-embed.min.js </script> In general you should always upload background images that are larger or equal to the background image size of the certificate you are creating. Images that are either smaller or larger than the background certificate size are automatically resized to fit the appropriate area, however smaller images that need to be scaled up to fit […]