@krystaelliott
First please install and activate this plugin
https://www.ads-software.com/plugins/simple-custom-css/
Then navigate to Appearance > Custom CSS
Copy and paste this code below into it and click save
/*------ Start sidebar styling------*/
@import url(https://fonts.googleapis.com/css?family=Niconne);
.widget {
background: transparent url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAAADCAIAAADqcT3hAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACVJREFUeNpifPfuHcMoIA4w/v//fzQUiAQs79+/Hw0FIgFAgAEAJqEIm4nV/SwAAAAASUVORK5CYII=") repeat-x scroll 0 24px;
text-align: center;
}
.widget-title {
background: #fff;
display: inline-block;
font-family: "Niconne";
font-size: 24px;
text-align: center;
text-transform: lowercase;
color: #f9aa89 !important;
margin-bottom: 0;
padding: 0 12px;
}
.widget-title::before, .widget-title::after { display: none; }
.widget ul, .widget ol { text-align: initial; }
.front-widget-area .widget ul > li, .front-widget-area .widget ol > li, .sidebar-widget-area .widget ul > li, .sidebar-widget-area .widget ol > li {
border-bottom: 1px dashed #eee;
border-top: 0;
font-family: serif;
}
.widget ul > li, .widget ol > li { padding: 8px 0; }
.widget a, .widget a:visited { color: #36ab8a; }
.widget a:hover, .widget a:focus { color: rgba(54, 171, 138, 0.7); }
/*------ End sidebar styling------*/
It will style the sidebar of Sela theme to look like one in Sugar and Spice theme. The only thing that can’t be made via CSS is the different font-family used in the word “Recent” in “Recent Post”, that needs to have extra markup in widget title which I think it’s too much hassle to go into.