HTML
<div id='toastNotif' class='tNtf'></div>
CSS
.tNtf span{position:fixed;left:24px;bottom:-70px;display:inline-flex;align-items:center;text-align:center;justify-content:center;margin-bottom:20px;z-index:99981;background:#323232;color:rgba(255,255,255,.8);font-size:14px;font-family:inherit;border-radius:3px;padding:13px 24px; box-shadow:0 5px 35px rgba(149,157,165,.3);opacity:0;transition:all .1s ease;animation:slideinwards 2s ease forwards;-webkit-animation:slideinwards 2s ease forwards}
@media screen and (max-width:500px){.tNtf span{margin-bottom:20px;left:20px;right:20px;font-size:13px}}
@keyframes slideinwards{0%{opacity:0}20%{opacity:1;bottom:0}50%{opacity:1;bottom:0}80%{opacity:1;bottom:0}100%{opacity:0;bottom:-70px;visibility:hidden}}
@-webkit-keyframes slideinwards{0%{opacity:0}20%{opacity:1;bottom:0}50%{opacity:1;bottom:0}80%{opacity:1;bottom:0}100%{opacity:0;bottom:-70px;visibility:hidden}}
.darkMode .tNtf span{box-shadow:0 10px 40px rgba(0,0,0,.2)}
JS
<script>/*<![CDATA[*/
function copyC(e,t){var o=document.getElementById(e),n=document.getElementById(t),e=getSelection(),t=document.createRange();e.removeAllRanges(),t.selectNodeContents(n),e.addRange(t),document.execCommand("copy"),e.removeAllRanges(),o.classList.add("copied"),document.getElementById("toastNotif").innerHTML="<span>Copied to Clipboard!</span>",setTimeout(()=>{o.classList.remove("copied")},3e3)} /*]]>*/</script>