This might be a take a lot of time and might be a tough question to answer, but please help.
I have a blogger blog It is a blog for reading Japanese Manga.
The the
Search for this line in template html ]]></b:skin>
Now add the following code to before ]]></b:skin>
.svg-wrap{position:absolute;width:0;height:0;overflow:hidden;overflow-x:hidden;overflow-y:hidden}.nav-slide a{position:fixed;top:50%;display:block;outline:0;text-align:left;z-index:1000;-webkit-transform:translateY(-50%);transform:translateY(-50%)}.nav-slide a.prev{left:0}.nav-slide a.next{right:0}.nav-slide a svg{display:block;margin:0 auto;padding:0}.nav-slide .icon-wrap{position:relative;z-index:100;display:block;padding:20px;background-color:#fff}.nav-slide svg.icon{fill:#34495e}.nav-slide div{position:absolute;top:50%;background-color:#34495e;-webkit-transition:-webkit-transform .3s;transition:transform .3s}.nav-slide a.prev div{left:0;padding-left:86px;padding-right:10px;-webkit-transform:translateY(-50%) translateX(-100%);transform:translateY(-50%) translateX(-100%)}.nav-slide a.next div{right:0;padding-right:86px;padding-left:10px;text-align:right;-webkit-transform:translateY(-50%) translateX(100%);transform:translateY(-50%) translateX(100%)}.nav-slide h3{position:relative;margin:0;padding:20px 0;color:#fff;white-space:nowrap;font-weight:300;font-size:1.3em !important;line-height:1.5}.nav-slide div h3 span{display:block;color:#95a5a6;font-style:italic;font-size:65%;font-family:Baskerville,"Baskerville Old Face","Hoefler Text",Garamond,"Times New Roman",serif}.nav-slide a:hover div{-webkit-transform:translateY(-50%) translateX(0);transform:translateY(-50%) translateX(0)}@media screen and (max-width:520px){.nav-slide a.prev{-webkit-transform-origin:0 50%;transform-origin:0 50%}.nav-slide a.next{-webkit-transform-origin:100% 50%;transform-origin:100% 50%}.nav-slide a{-webkit-transform:scale(0.6);transform:scale(0.6)}}
Full source code here: https://pastebin.com/frWjV4Ja