gentelella/build/css/style-extra-bs4.css

.container-fluid.test  .col.one {  background:gold; }
.container-fluid.test  .col.two {  background:red; }

.container.body .col-md-3 {  } 


.nav.side-menu>li { width:100%; }

.nav.side-menu>li.active>a { z-index:1; }

.input-group { text-align:right; }


.title_left { background:red; }
.title_right { background:grey; }