1. CssStyle
/* source css: median-ui.blogspot.com modified by wendycode.com */
.slideB {
--indicator: #f89000;
--sliderBd-radius: 4px;
--sliderRatio: 56.25%;
}
@-webkit-keyframes fade{from{opacity:.4;}to{opacity:1;}}
@keyframes fade{from{opacity:.4;}to{opacity:1;}}
.slider .item{-webkit-animation-name:fade;-webkit-animation-duration:1.5s;animation-name:fade;animation-duration:1.5s;}
.slideI .i.active{width:10px;background-color:var(--indicator);}
.slideB .next,.slideB .prev{position:absolute;top:40%;font-size:2.5em;border-radius:50%;user-select:none;border:1px solid #e4e3e1;background:#fffdfc;opacity:.5;padding:0 20px 5px;outline:0;}
.slideB .next:hover,.slideB .prev:hover{opacity:.9;}
.slideB .prev{left:10px;}
.slideB .next{right:10px;}
.slideB{position:relative;border-radius:var(--sliderBd-radius);overflow:hidden;}
.slideB:hover .slideI svg{opacity:1;visibility:visible;}
.slideI.active svg .pause{display:block;}
.slideI.active svg .play,.slideI svg .pause{display:none;}
.slider.no-items~.slideI{display:none;}
.slideI .i{width:4px;height:4px;border-radius:10px;background-color:rgb(0 0 0 / 15%);transition:width .1s ease,background-color .1s ease;}
svg{width:12px;height:12px;fill:currentColor;}
.slideI svg{right:0;}
.slideI svg{position:absolute;top:0;opacity:0;visibility:hidden;transition:opacity .1s ease .4s,visibility .1s ease .4s;}
.slider{position:relative;width:400%;}
.slider >*{flex-shrink:0;width:calc(100% / 4);}
.slider .item{display:none;position:relative;border-radius:var(--sliderBd-radius);overflow:hidden;}
.slider .img{display:block;padding-top:var(--sliderRatio);color:#d9e2f0;background-color:#f9f9fb;background-position:center;background-size:cover;background-repeat:no-repeat;}
.slider .cap{display:block;position:absolute;left:0;bottom:0;right:0;padding:20px;padding-block-start:40px;background-image:linear-gradient(0deg,rgb(45 49 56 / 90%) 0%,rgb(45 49 56 / 50%) 60%,rgb(45 49 56 / 0%) 100%);}
.slideB >*{-webkit-tap-highlight-color:transparent;tap-highlight-color:transparent;}
.slideB:hover .slider .cap{background-image:none;}
.slideB a:hover{filter:none;}
.slider .img{position:relative;border-radius:var(--sliderBd-radius);}
.slider .cap{background-image:linear-gradient(0deg,rgb(45 49 56 / 55%) 0%,rgb(45 49 56 / 22%) 60%,rgb(45 49 56 / 0%) 100%);border-radius:var(--sliderBd-radius);font-size:0.9em;line-height:1.2em;font-weight:600;text-shadow:0 2px 10px #272733,0 1px 1px rgba(10,10,10,.5);color:#f9f9fb;}
.slider .category{top:0;right:0;position:absolute;padding:10px;}
.slideB a.button{display:inline-flex;text-decoration:none;outline:0;border:0;padding:2px 10px;font-size:12px;border-radius:15px;color:#0e2045;background-color:#fffdfc;box-shadow:5px 5px 15px 0 rgb(0 0 0 / 10%);}
.slideI{display:flex;gap:5px;position:relative;height:12px;margin-block:5px calc(40px - 12px - 4px)) align-items:center;justify-content:center;margin-top:5px;}
@media screen and (max-width:640px){.slideB a.button{font-size:10px;padding:0 10px;}.slideB .next,.slideB .prev{font-size:1em;border-radius:50%;padding:0 10px 3px;}}
2. Body
<script>/*<![CDATA[*/
const wcSliderRandom = {
feeds: 'https://gusmuluk.blogspot.com',
noImage: 'data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=',
thumbnailSize: '1600',
amount: '5',
duration: '3000',
auto: 'true',
button: 'true',
swipe: 'true',
sharedBy: 'www.wendycode.com' // credit do not removed
};
function sliderLoad(){var script=document.createElement('script');script.async= true;script.src='https://cdn.wendycode.com/blogger/widget/slider-random-post.js';document.body.appendChild(script)}function sldDtcLazy(){sliderLoad(),localStorage.setItem("sliderJs","true")}var wcLdStorage=localStorage.getItem("sliderJs");if("true"!=wcLdStorage){var t=!1,e=!1;window.addEventListener("scroll",()=>{(0!=document.documentElement.scrollTop&&!1===t||0!=document.body.scrollTop&&!1===t)&&(sldDtcLazy(),t=!0,e=!0)},!0),window.addEventListener("click",()=>{!1===e&&!1===e&&(sldDtcLazy(),e=!0,t=!0)},!0)}"true"===wcLdStorage&&sliderLoad();
/*]]>*/</script>
3. Pemanggil
<div class='slideB wendycodeRandom'/><br/></div>