Add the below given code just after <span class='tPkr thB10' onclick='webTheme("theme10");modeL()' style='--pkrC:#3949AB'></span> tag.
<div class='brr'/><h6 class='head1'>Auto Theme Changer</h6><p class='para1'>When turned on automatically changes</p><p class='para2'>the theme color on reload.</p><label class='switch'><input id='theme-toggle' type='checkbox'/><span class='slider round'/></label><div class='brr'/><h6 class='head1'>Auto Themer</h6><p class='para1'>When turned on automatically changes</p><p class='para2'>the theme color every 5 sec.</p><label class='switch'><input id='auto-theme' type='checkbox'/><span class='slider round'/></label>
Add the below given JS just before </body> tag.
<script>/*<![CDATA[*/function _0x4d6d(_0x2c7710,_0x5eb846){var _0x3fbfb0=_0x3fbf();return _0x4d6d=function(_0x4d6df2,_0x19cc43){_0x4d6df2=_0x4d6df2-0xa6;var _0x117ffe=_0x3fbfb0[_0x4d6df2];return _0x117ffe;},_0x4d6d(_0x2c7710,_0x5eb846);}var _0x3bf62e=_0x4d6d;function _0x3fbf(){var _0x5d1e54=['55379','getEl','webTh','4328343VzcQIk','42534','14885','push','ement','14655','DOMCo','RyYUD','30JQSEUH','25748XZcjSK','shift','theme','entLi','17034xYVmtc','5kaSD','7FDzUKK','5HUDP','267XbvrFz','chang','eme','true','addEv','0GOFK','120Uu','KRp','heme','7147212fAXUKZ','-togg','false','gLS','sLS','stene','1WJhgOP','Loade','441704JaIejD','CRbL','473Lj','2525JDwlob','09Vrc','105259iZqhzC','onloa','TICu','GIl','1wIlJ','UOO','swsu','256fY','14287','check','repla','90YlJ','ById','Toggl','274312TTHqkt'];_0x3fbf=function(){return _0x5d1e54;};return _0x3fbf();}(function(_0x483d5e,_0x111b4c){var _0x55a697=_0x4d6d,_0x5c165d=_0x483d5e();while(!![]){try{var _0x1eb417=parseInt(_0x55a697(0xcc))/0x1*(-parseInt(_0x55a697(0xa8))/0x2)+-parseInt(_0x55a697(0xbd))/0x3*(-parseInt(_0x55a697(0xb5))/0x4)+-parseInt(_0x55a697(0xd1))/0x5*(-parseInt(_0x55a697(0xb9))/0x6)+-parseInt(_0x55a697(0xbb))/0x7*(parseInt(_0x55a697(0xce))/0x8)+-parseInt(_0x55a697(0xac))/0x9+-parseInt(_0x55a697(0xb4))/0xa*(-parseInt(_0x55a697(0xd3))/0xb)+-parseInt(_0x55a697(0xc6))/0xc;if(_0x1eb417===_0x111b4c)break;else _0x5c165d['push'](_0x5c165d['shift']());}catch(_0x41478b){_0x5c165d['push'](_0x5c165d['shift']());}}}(_0x3fbf,0xbb1be));function _0x583b(_0x46afce,_0x249dea){var _0x1db5b5=_0x18a5();return _0x583b=function(_0x342317,_0x33e3a0){_0x342317=_0x342317-0xd8;var _0x259444=_0x1db5b5[_0x342317];return _0x259444;},_0x583b(_0x46afce,_0x249dea);}var _0x4579d9=_0x583b;(function(_0x461a6c,_0x5bb55f){var _0x563213=_0x4d6d,_0x547ac1=_0x583b,_0x17fb3c=_0x461a6c();while(!![]){try{var _0x35668a=parseInt(_0x547ac1(0xf3))/0x1+-parseInt(_0x547ac1(0xe3))/0x2+parseInt(_0x547ac1(0xdd))/0x3*(-parseInt(_0x547ac1(0xfa))/0x4)+-parseInt(_0x547ac1(0xf1))/0x5*(-parseInt(_0x547ac1(0xe8))/0x6)+-parseInt(_0x547ac1(0xe5))/0x7*(parseInt(_0x547ac1(0xe9))/0x8)+parseInt(_0x547ac1(0xde))/0x9+parseInt(_0x547ac1(0xe1))/0xa*(-parseInt(_0x547ac1(0xf5))/0xb);if(_0x35668a===_0x5bb55f)break;else _0x17fb3c[_0x563213(0xaf)](_0x17fb3c[_0x563213(0xb6)]());}catch(_0x4c8217){_0x17fb3c[_0x563213(0xaf)](_0x17fb3c['shift']());}}}(_0x18a5,0xdc8aa),document[_0x4579d9(0xe6)+_0x3bf62e(0xb8)+_0x4579d9(0xd9)+'r'](_0x4579d9(0xf9)+_0x4579d9(0xea)+_0x4579d9(0xdb)+'d',function(){var _0x4c9895=_0x3bf62e,_0x4dc6da=_0x4579d9,_0x3933c2=document[_0x4dc6da(0xe2)+_0x4dc6da(0xf2)+_0x4dc6da(0xe7)](_0x4c9895(0xb7)+_0x4dc6da(0xf8)+'le'),_0x1177b2=document[_0x4dc6da(0xe2)+_0x4dc6da(0xf2)+_0x4c9895(0xa6)](_0x4dc6da(0xee)+_0x4c9895(0xb7));Pu[_0x4c9895(0xca)](_0x4dc6da(0xf4)+_0x4dc6da(0xe4)+'e',Pu[_0x4dc6da(0xed)]('theme'+_0x4dc6da(0xe4)+'e')||_0x4c9895(0xc0)),Pu[_0x4dc6da(0xe0)](_0x4dc6da(0xf7)+_0x4c9895(0xc5),Pu[_0x4dc6da(0xed)](_0x4dc6da(0xf7)+_0x4dc6da(0xdf))||_0x4dc6da(0xdc)),_0x3933c2[_0x4dc6da(0xe6)+_0x4dc6da(0xec)+_0x4c9895(0xcb)+'r'](_0x4dc6da(0xd8)+'e',function(){var _0x204d9a=_0x4c9895,_0x289a16=_0x4dc6da;_0x3933c2[_0x289a16(0xf6)+'ed']?Pu[_0x204d9a(0xca)](_0x289a16(0xf4)+_0x289a16(0xe4)+'e',_0x289a16(0xdc)):Pu[_0x289a16(0xe0)](_0x289a16(0xf4)+_0x289a16(0xe4)+'e',_0x289a16(0xef));}),_0x1177b2[_0x4dc6da(0xe6)+_0x4dc6da(0xec)+_0x4dc6da(0xd9)+'r'](_0x4c9895(0xbe)+'e',function(){var _0x1c2996=_0x4c9895,_0x251aab=_0x4dc6da;_0x1177b2[_0x251aab(0xf6)+'ed']?Pu[_0x251aab(0xe0)](_0x251aab(0xf7)+_0x251aab(0xdf),_0x251aab(0xdc)):Pu[_0x1c2996(0xca)](_0x251aab(0xf7)+_0x251aab(0xdf),_0x1c2996(0xc8));});}),window[_0x3bf62e(0xd4)+'d']=function(){var _0x5c9cfb=_0x3bf62e,_0x48166b=_0x4579d9,_0x536983=document[_0x48166b(0xe2)+_0x5c9cfb(0xb0)+_0x48166b(0xe7)](_0x48166b(0xf4)+_0x48166b(0xf8)+'le');if(Pu[_0x48166b(0xed)](_0x48166b(0xf4)+_0x48166b(0xe4)+'e')===_0x48166b(0xdc)){_0x536983[_0x48166b(0xf6)+'ed']=!![];let _0x465315=Number((Pu[_0x48166b(0xed)](_0x48166b(0xda)+_0x5c9cfb(0xbf))||_0x5c9cfb(0xb7)+'0')[_0x5c9cfb(0xdd)+'ce'](/theme/gi,''));Pu[_0x48166b(0xe0)]('webTh'+_0x48166b(0xf0),_0x5c9cfb(0xb7)+(_0x465315<0xa?_0x465315+0x1:0x0));}else _0x536983[_0x48166b(0xf6)+'ed']=![];;var _0xdd9654=document[_0x48166b(0xe2)+_0x5c9cfb(0xb0)+_0x5c9cfb(0xa6)](_0x48166b(0xee)+_0x48166b(0xf4));Pu[_0x48166b(0xed)](_0x48166b(0xf7)+'heme')===_0x5c9cfb(0xc0)?_0xdd9654['check'+'ed']=!![]:_0xdd9654[_0x48166b(0xf6)+'ed']=![];;setInterval(function(){var _0x521fb3=_0x5c9cfb,_0x18c4c9=_0x48166b;if(_0xdd9654[_0x521fb3(0xdc)+'ed']){let _0x5f3b8b=Number((Pu[_0x18c4c9(0xed)](_0x18c4c9(0xda)+'eme')||_0x18c4c9(0xf4)+'0')[_0x18c4c9(0xeb)+'ce'](/theme/gi,''));_0x5f3b8b=_0x5f3b8b<0xa?_0x5f3b8b+0x1:0x0,Pu[_0x521fb3(0xca)]('webTh'+_0x18c4c9(0xf0),_0x18c4c9(0xf4)+_0x5f3b8b),webTheme(_0x521fb3(0xb7)+_0x5f3b8b),modeL();};},themeToggleInt);});function _0x18a5(){var _0x568c59=_0x3bf62e,_0x33f078=[_0x568c59(0xcb),_0x568c59(0xab),_0x568c59(0xcd),_0x568c59(0xc0),_0x568c59(0xad)+_0x568c59(0xb3)+'W',_0x568c59(0xdb)+_0x568c59(0xd0)+_0x568c59(0xd9),'heme',_0x568c59(0xca),_0x568c59(0xde)+_0x568c59(0xc4),_0x568c59(0xaa),_0x568c59(0xae)+_0x568c59(0xc2)+'WH',_0x568c59(0xa7),'48344'+_0x568c59(0xd7)+'pY',_0x568c59(0xc1),_0x568c59(0xa6),'54Iax'+_0x568c59(0xd6),_0x568c59(0xc3)+_0x568c59(0xcf),'ntent',_0x568c59(0xdd),_0x568c59(0xb8),_0x568c59(0xc9),'auto-',_0x568c59(0xc8),_0x568c59(0xbf),_0x568c59(0xb1)+_0x568c59(0xbc)+'Us',_0x568c59(0xb0),'15229'+_0x568c59(0xd2)+_0x568c59(0xd8),_0x568c59(0xb7),_0x568c59(0xa9)+_0x568c59(0xba)+'Ah','check','autoT',_0x568c59(0xc7),_0x568c59(0xb2),_0x568c59(0xda)+_0x568c59(0xd5),_0x568c59(0xbe)];return _0x18a5=function(){return _0x33f078;},_0x18a5();} /*]]>*/</script>
Add the below given JS just after the above code.
<script>/*<![CDATA[*/themeToggleInt = 5000/*]]>*/</script>
Change this highlighted part with the time (in milliseconds) you want to keep in Auto Theme.
Multiply the number of seconds with 1000, then write there
For ex. if you want that theme changes after every 10 sec, then write 10000
Add the below given CSS just after /* --- Your Custom CSS goes here --- */
.brr{content:'';display: block;border-bottom: 1px solid var(--contentL);margin: 12px 5px;}
.head1{font-size:14px;font-family:'Google Sans Text';color:#343435;margin-bottom:-7px;font-weight:unset}
.para1{margin-bottom:-11px}
.head1,.para1,.para2{margin-left:6px}
@media screen and (min-width:750px){.switch{left:205px;transform:rotate(90deg);top:-48px}}
@media screen and (max-width:361px) and (min-width:322px){.switch{left:220px!important;top:-45px!important}}
@media screen and (max-width:321px){.switch{left:202px!important;top:-46px!important;transform:rotate(90deg)!important}}
@media screen and (max-width:376px) and (min-width:362px){.switch{left:240px!important;top:-45px!important}}
@media screen and (max-width:415px) and (min-width:395px){.switch{left:280px!important;top:-45px!important}}
@media screen and (max-width:394px) and (min-width:377px){.switch{left:255px!important;top:-45px!important}}
@media screen and (max-width:749px) and (min-width:416px){.switch{left:286px;top:-45px}}
.switch{position:relative;display:inline-block;width:55px;height:30px;margin-bottom:-2000px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;-webkit-transition:.4s;transition:.4s}.slider:before{position:absolute;content:"";height:22px;width:22px;left:3.5px;bottom:4px;background-color:#fff;-webkit-transition:.4s;transition:.4s}input:checked+.slider{background-color:var(--linkC)}input:focus+.slider{box-shadow:0 0 1px #2196f3}input:checked+.slider:before{-webkit-transform:translateX(26px);-ms-transform:translateX(26px);transform:translateX(26px)}.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}