Update style.scss

Author: hh4ts

assets/css/style.scss

@@ -1,7 +1,7 @@
 ---
 ---
 
-@import "jekyll-theme-cayman";
+@import "jekyll-theme-slate";
 
 #header_wrap {
     background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("../../figs/background.jpg") no-repeat center center;