Generated by SassMeister.com.

input.scss

$tbl_name:tbl_1;
$tbl_head_bg_color:#1b47c5;
$fix_length: 4;

.#{$tbl_name}_table .#{$tbl_name}_tbody .#{$tbl_name}_th {
  position: relative;
}
@for $i from 0 through $fix_length - 1 {
.#{$tbl_name}_table .#{$tbl_name}_thead .#{$tbl_name}_th:nth-child(#{$i + 1}) {
  position: sticky;
  left: $i*100;
  background: white;
  z-index: 1;
}    
.#{$tbl_name}_table .#{$tbl_name}_tbody .#{$tbl_name}_th:nth-child(#{$i + 1}) {
  position: sticky;
  left: $i*100;
  background: white;
  z-index: 1;
}
.#{$tbl_name}_table .#{$tbl_name}_tfoot .#{$tbl_name}_th:nth-child(#{$i + 1}) {
  position: sticky;
  left: $i*100;
  background-color: #1b47c5 !important;
  z-index: 1;
}    
}

output.css

.tbl_1_table .tbl_1_tbody .tbl_1_th {
  position: relative;
}

.tbl_1_table .tbl_1_thead .tbl_1_th:nth-child(1) {
  position: sticky;
  left: 0;
  background: white;
  z-index: 1;
}

.tbl_1_table .tbl_1_tbody .tbl_1_th:nth-child(1) {
  position: sticky;
  left: 0;
  background: white;
  z-index: 1;
}

.tbl_1_table .tbl_1_tfoot .tbl_1_th:nth-child(1) {
  position: sticky;
  left: 0;
  background-color: #1b47c5 !important;
  z-index: 1;
}

.tbl_1_table .tbl_1_thead .tbl_1_th:nth-child(2) {
  position: sticky;
  left: 100;
  background: white;
  z-index: 1;
}

.tbl_1_table .tbl_1_tbody .tbl_1_th:nth-child(2) {
  position: sticky;
  left: 100;
  background: white;
  z-index: 1;
}

.tbl_1_table .tbl_1_tfoot .tbl_1_th:nth-child(2) {
  position: sticky;
  left: 100;
  background-color: #1b47c5 !important;
  z-index: 1;
}

.tbl_1_table .tbl_1_thead .tbl_1_th:nth-child(3) {
  position: sticky;
  left: 200;
  background: white;
  z-index: 1;
}

.tbl_1_table .tbl_1_tbody .tbl_1_th:nth-child(3) {
  position: sticky;
  left: 200;
  background: white;
  z-index: 1;
}

.tbl_1_table .tbl_1_tfoot .tbl_1_th:nth-child(3) {
  position: sticky;
  left: 200;
  background-color: #1b47c5 !important;
  z-index: 1;
}

.tbl_1_table .tbl_1_thead .tbl_1_th:nth-child(4) {
  position: sticky;
  left: 300;
  background: white;
  z-index: 1;
}

.tbl_1_table .tbl_1_tbody .tbl_1_th:nth-child(4) {
  position: sticky;
  left: 300;
  background: white;
  z-index: 1;
}

.tbl_1_table .tbl_1_tfoot .tbl_1_th:nth-child(4) {
  position: sticky;
  left: 300;
  background-color: #1b47c5 !important;
  z-index: 1;
}

settings.json

{
  "sass": {
    "compiler": "Ruby Sass/3.7.4",
    "extensions": {},
    "syntax": "SCSS",
    "outputStyle": "expanded"
  },
  "autoprefixer": false
}