resources/scss/grid.scss
@import url('https://use.fontawesome.com/releases/v5.8.1/css/all.css');
.sort-asc, .sort-desc {
display: inline-block;
width: 0;
height: 0;
margin-bottom: 5px;
&.sort-asc {
border-left: 5px solid transparent;
border-right: 5px solid transparent;
border-bottom: 5px solid #007bff;
}
&.sort-desc {
border-left: 5px solid transparent;
border-right: 5px solid transparent;
border-top: 5px solid #007bff;
}
}