change tumblr controls theme 206

CSS PART: search for {block:ifCustomControls}, there are 2 of them. the first one is on the CSS of the code, you'll find a similar code to this one you'll replace. then find the closing tag, this one: {/block:ifCustomControls}.

replace everything inside with this code:

.controls-button {
   position: fixed;
   cursor: help;
   width: 1.5em;
   height: 1.5em;
   top: 20px;
   right: 20px;
   z-index: 1000;
   cursor: pointer;
}

.tmblr-iframe {
   z-index: 999999999!important;
   opacity: 0;
   visibility: hidden;
   -webkit-transition: all 0.5s;
   -moz-transition: all 0.5s;
   -ms-transition: all 0.5s;
   -o-transition: all 0.5s;
   transition: all 0.5s;
}

body.controls-click .tmblr-iframe {
   opacity: 1;
   margin-right: 3rem;
   visibility: visible;
   -webkit-transition: all 0.5s;
   -moz-transition: all 0.5s;
   -ms-transition: all 0.5s;
   -o-transition: all 0.5s;
   transition: all 0.5s;
}


.controls-button svg path {
    fill:#888888;/* change this to change the color of the icon
    ex: if you're gonna use a darker background color/image */}



---------------------


HTML part: search for {block:ifCustomControls} and this one is almost at the end of the code. right after that tag there is a div, change the class name from xx to controls-button, everything will look like this:

{block:ifCustomControls}
<div class="controls-button"><svg version="1.1" id="Layer_1" xmlns="https://www.w3.org/2000/svg" xmlns:xlink="https://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 216 216" enable-background="new 0 0 216 216" xml:space="preserve"><path d="M106.6,134c14.3,0,26-11.7,26-26s-11.7-26-26-26s-26,11.7-26,26S92.2,134,106.6,134z M106.6,94c7.7,0,14,6.3,14,14s-6.3,14-14,14s-14-6.3-14-14S98.9,94,106.6,94z M40.4,124.6l7.2,3.3c3,1.4,4.4,4.8,3.3,7.9l-2.8,7.4c-2.1,5.7-1.4,11.8,2.1,16.7c3.4,5,9,7.9,15,7.9c2.2,0,4.4-0.4,6.5-1.2l7.4-2.8c0.7-0.3,1.4-0.4,2.2-0.4c2.4,0,4.7,1.4,5.7,3.7l3.3,7.2c3,6.6,9.4,10.7,16.6,10.7s13.6-4.1,16.6-10.7l3.3-7.2c1-2.2,3.2-3.7,5.7-3.7c0.7,0,1.5,0.1,2.2,0.4l7.4,2.8c2.1,0.8,4.3,1.2,6.5,1.2c0,0,0,0,0,0c5.9,0,11.5-3,15-7.9c3.4-5,4.2-11.1,2.1-16.7l-2.8-7.4c-1.1-3.1,0.3-6.5,3.3-7.9l7.2-3.3c6.6-3,10.7-9.4,10.7-16.6s-4.1-13.6-10.7-16.6l-7.2-3.3c-3-1.4-4.4-4.8-3.3-7.9l2.8-7.4c2.1-5.7,1.4-11.8-2.1-16.7c-3.4-5-9-7.9-15-7.9c-2.2,0-4.4,0.4-6.5,1.2l-7.4,2.8c-0.7,0.3-1.4,0.4-2.2,0.4c-2.4,0-4.7-1.4-5.7-3.7l-3.3-7.2c-3-6.6-9.4-10.7-16.6-10.7S93,35.2,90,41.8l-3.3,7.2c-1,2.2-3.2,3.7-5.7,3.7c-0.7,0-1.5-0.1-2.2-0.4l-7.4-2.8c-2.1-0.8-4.3-1.2-6.5-1.2c-5.9,0-11.5,3-15,7.9c-3.4,5-4.2,11.1-2.1,16.7l2.8,7.4c1.1,3.1-0.3,6.5-3.3,7.9l-7.2,3.3c-6.6,3-10.7,9.4-10.7,16.6S33.8,121.6,40.4,124.6z M45.3,102.3l7.2-3.3c8.7-4,12.9-14.1,9.5-23l-2.8-7.4c-1-2.7,0-4.7,0.7-5.7c1.6-2.4,4.6-3.4,7.4-2.3l7.4,2.8c2.1,0.8,4.2,1.2,6.4,1.2c0,0,0,0,0,0c7.1,0,13.6-4.2,16.6-10.7l3.3-7.2c1.5-3.4,4.7-3.7,5.7-3.7s4.1,0.3,5.7,3.7l3.3,7.2c3,6.5,9.5,10.7,16.6,10.7c2.2,0,4.3-0.4,6.4-1.2l7.4-2.8c2.8-1,5.7,0,7.4,2.3c0.7,1,1.7,3,0.7,5.7l-2.8,7.4c-3.3,8.9,0.8,19,9.5,23l7.2,3.3c3.4,1.5,3.7,4.7,3.7,5.7s-0.3,4.1-3.7,5.7l-7.2,3.3c-8.7,4-12.9,14.1-9.5,23l2.8,7.4c1,2.7,0,4.7-0.7,5.7c-1.6,2.4-4.6,3.4-7.4,2.3l-7.4-2.8c-2.1-0.8-4.2-1.2-6.4-1.2c-7.1,0-13.6,4.2-16.6,10.7l-3.3,7.2c-1.5,3.4-4.7,3.7-5.7,3.7s-4.1-0.3-5.7-3.7l-3.3-7.2c-3-6.5-9.5-10.7-16.6-10.7c-2.2,0-4.3,0.4-6.4,1.2l-7.4,2.8c-2.8,1-5.7,0-7.4-2.3c-0.7-1-1.7-3-0.7-5.7l2.8-7.4c3.3-8.9-0.8-19-9.5-23l-7.2-3.3c-3.4-1.5-3.7-4.7-3.7-5.7S41.9,103.9,45.3,102.3z"/></svg></div>
{/block:ifCustomControls}


-------------------

JAVASCRIPT part: search for <script>, there is 4 of them, but you want the last one at the end of the code too. right before the closing tag </script>, paste this code:

$('.controls-button').click(function(){
	$('body').toggleClass('controls-click');
});