How to Create a Light Mini Slider in Blog Posts

 Put these codes before - ]]></b:skin>

.slide-wrap{margin:30px 0;overflow:hidden;position:relative}
.slide-wrap ul li a img{height:309px;width:100%}
.blanter-wrap{overflow:hidden;overflow-x:scroll;position:relative;width:100%;height:330px}
.slide-wrap ul{position:absolute;list-style:none;padding:0;margin:0}
.slide-wrap li{white-space:nowrap;list-style:none;padding:0;margin:0}
.slide-wrap iframe{width:100%;height:87%;background:#000}
.slide-wrap ul li a{cursor:auto;padding-right:0!important;margin-right:5px;display:inline-block;vertical-align:middle;position:relative;max-width:550px;height:355px;background-position:center;background-repeat:no-repeat;background-size:cover;-moz-background-size:cover;-webkit-background-size:cover}
.slide-wrap ul li a.youtube-iframe{width:550px}
.slide-wrap ul li a:last-child{margin-right:0}
a.right-b{right:0}
a.left-b svg,a.right-b svg{width:15px;margin:10px 0 0}
a.left-b,a.right-b{position:absolute;top:35%;width:40px;line-height:50px;height:50px;text-align:center;color:#fff;background:#000;opacity:.7;transition:all 0 ease-in-out}
a.left-b:hover,a.right-b:hover{opacity:1}
.blanter-wrap::-webkit-scrollbar{width:8px;height:8px;border-radius:10px}
.blanter-wrap::-webkit-scrollbar-track{background-color:rgba(0,0,0,.1);border-radius:10px}
.blanter-wrap::-webkit-scrollbar-thumb:hover{background-color:rgba(0,0,0,.6)}
.blanter-wrap::-webkit-scrollbar-thumb{border-radius:2px;background-color:rgba(0,0,0,.4);transition:all 400ms ease-in-out;border-radius:10px}

Put this script before - </body> tag

<script type='text/javascript'>
//<![CDATA[
// Scroll
$('a.right-b').click(function() {
  $('.blanter-wrap').animate({
    scrollLeft: "+=500px"
  }, "normal");
});
 $('a.left-b').click(function() {
  $('.blanter-wrap').animate({
    scrollLeft: "-=500px"
  }, "normal");
});
//]]>
</script>

Put anywhere you want to set up the slider 

<a href="javascript:void(0)">
<img alt="Judul Gambar" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQMf6-MKM0Nq74A2o2lKWcby4OfKeaXOVWjQMSFtUfWPvRSU0J482QcTuZpJZ6Kl9g7wVm972bA-qdbm88cSoAL4tAGYwmvojjRqA_4JVc6v6_G1syDv7Kd6SVUcwkRRKlRhwHR5Im7Gk/s1600/RoC2.jpg" title="Judul Gambar" />
</a>
<a href="javascript:void(0)">
<img alt="Judul Gambar" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiprphJgFVSbQuvl_nczYlkPqW5bPBhpm2dtdCxU4LSCQOcg7bOJ_LCuPhuIZu8zpBAz1D1x7LL4aqZQf1Uadis_pDpqDHuRvH4OVZ6sRNAPxNsB39IfB4nVHnklQAT5xUr_37o0jbjKxo/s1600/RoC3.jpg" title="Judul Gambar" />
</a>
<a href="javascript:void(0)">
<img alt="Judul Gambar" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmjbxYExetiv2OeL1ueWux7OdeUJ6HSO9YugOSB7YYMwgv4ssSkLTiDON0hraLgKDhi_V8JUfyAV2R2Rp3Vz3kkAnyBCqMZA-nc_-IEHC9qXYjlIojdjWyntMXYMFA7TslQ-YJh5VYwl0/s1600/RoC4.jpg" title="Judul Gambar" />
</a>
<a href="javascript:void(0)">
<img alt="Judul Gambar" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0tlAjtFX15m21DguL3HIZcWZgYQ0KauIzJMBfYWgkQY5-eyjDdnocACIm74CbmRifY-zeJR1BRhgFjLvpe-gd3UgDIjiUZxHqX4CNgdpN8RqgPcphRCdzc9nPaqaez4IDPJfO70tbJMU/s1600/RoC5.jpg" title="Judul Gambar" />
</a>
</li>
</ul>
</div>
<a class="left-b" href="javascript:void(0);">
<svg aria-hidden="true" data-prefix="fas" data-icon="angle-left" class="svg-inline--fa fa-angle-left fa-w-8" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512"><path fill="currentColor" d="M31.7 239l136-136c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9L127.9 256l96.4 96.4c9.4 9.4 9.4 24.6 0 33.9L201.7 409c-9.4 9.4-24.6 9.4-33.9 0l-136-136c-9.5-9.4-9.5-24.6-.1-34z"></path></svg></a>
<a class="right-b" href="javascript:void(0);">
<svg aria-hidden="true" data-prefix="fas" data-icon="angle-right" class="svg-inline--fa fa-angle-right fa-w-8" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512"><path fill="currentColor" d="M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z"></path></svg></a>
</div>

DEMO