Edit File: customize-preview.min.css
/*! This file is auto-generated */ .customize-partial-refreshing{opacity:.25;transition:opacity .25s;cursor:progress}.customize-partial-refreshing.widget-customizer-highlighted-widget{box-shadow:none}.customize-partial-edit-shortcut,.widget .customize-partial-edit-shortcut{position:absolute;float:left;width:1px;height:1px;padding:0;margin:-1px 0 0 -1px;border:0;background:0 0;color:transparent;box-shadow:none;outline:0;z-index:5}.customize-partial-edit-shortcut button,.widget .customize-partial-edit-shortcut button{position:absolute;left:-30px;top:2px;color:#fff;width:30px;height:30px;min-width:30px;min-height:30px;line-height:1!important;font-size:18px;z-index:5;background:#3582c4!important;border-radius:50%;border:2px solid #fff;box-shadow:0 2px 1px rgba(60,67,74,.15);text-align:center;cursor:pointer;box-sizing:border-box;padding:3px;animation-fill-mode:both;animation-duration:.4s;opacity:0;pointer-events:none;text-shadow:0 -1px 1px #135e96,1px 0 1px #135e96,0 1px 1px #135e96,-1px 0 1px #135e96}.wp-custom-header .customize-partial-edit-shortcut button{left:2px}.customize-partial-edit-shortcut button svg{fill:#fff;min-width:20px;min-height:20px;width:20px;height:20px;margin:auto}.customize-partial-edit-shortcut button:hover{background:#4f94d4!important}.customize-partial-edit-shortcut button:focus{box-shadow:0 0 0 2px #4f94d4}body.customize-partial-edit-shortcuts-shown .customize-partial-edit-shortcut button{animation-name:customize-partial-edit-shortcut-bounce-appear;pointer-events:auto}body.customize-partial-edit-shortcuts-hidden .customize-partial-edit-shortcut button{animation-name:customize-partial-edit-shortcut-bounce-disappear;pointer-events:none}.customize-partial-edit-shortcut-hidden .customize-partial-edit-shortcut button,.page-sidebar-collapsed .customize-partial-edit-shortcut button{visibility:hidden}@keyframes customize-partial-edit-shortcut-bounce-appear{20%,40%,60%,80%,from,to{animation-timing-function:cubic-bezier(0.215,0.610,0.355,1.000)}0%{opacity:0;transform:scale3d(.3,.3,.3)}20%{transform:scale3d(1.1,1.1,1.1)}40%{transform:scale3d(.9,.9,.9)}60%{opacity:1;transform:scale3d(1.03,1.03,1.03)}80%{transform:scale3d(.97,.97,.97)}to{opacity:1;transform:scale3d(1,1,1)}}@keyframes customize-partial-edit-shortcut-bounce-disappear{20%,40%,60%,80%,from,to{animation-timing-function:cubic-bezier(0.215,0.610,0.355,1.000)}0%{opacity:1;transform:scale3d(1,1,1)}20%{transform:scale3d(.97,.97,.97)}40%{opacity:1;transform:scale3d(1.03,1.03,1.03)}60%{transform:scale3d(.9,.9,.9)}80%{transform:scale3d(1.1,1.1,1.1)}to{opacity:0;transform:scale3d(.3,.3,.3)}}@media screen and (max-width:800px){.customize-partial-edit-shortcut button,.widget .customize-partial-edit-shortcut button{left:-32px}}@media screen and (max-width:320px){.customize-partial-edit-shortcut button,.widget .customize-partial-edit-shortcut button{left:-30px}}