I created a custom theme. but it doesn't apply?

This is where I put the theme


and this is what I put.

/* Works on Chrome, Edge, and Safari */
*::-webkit-scrollbar {
    width: 6px;
}
*::-webkit-scrollbar-track {
    background: var(--scroll-bg);
}
*::-webkit-scrollbar-thumb {
    background-color: var(--scroll-color);
    border-radius: 20px;
}
* {
    scrollbar-width: thin;
    scrollbar-color: var(--scroll-color) var(--scroll-bg);
}
.awesomplete .input-with-feedback {
    border: 1px solid var(--border-color);
}
.form-control {
    border: 1px solid var(--border-color);
}
.search-bar .awesomplete input {
    background-color: var(--bg-color)
}
.modal-backdrop{
    background-color: #2c436b !important;
}
.widget .widget-head .widget-title {
    font-size: var(--text-base);
}
.comment-box .comment-input-header, .form-dashboard-section .section-head, .form-section .section-head, .head-title {
    font-size: var(--text-base);
    font-weight: 600;
}
.comment-box .comment-input-container .ql-editor {
    border: 1px solid var(--border-color);
}
.duration-picker .duration-input {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
}
.control-label {
    font-weight: 500;
}
[data-theme="dark"] {
    --bg-color: var(--gray-900);
    --disabled-control-bg: var(--gray-900);
    --border-color: #1c2126;
    --margin-lg : 15px;
    --text-bold: 600;
    --scroll-bg: #161a1f;
    --scroll-color: #1c2126;
}

[data-theme="light"] {
    --bg-color: #f2f5fa;
    --text-bold: 600;
    --control-bg : #fff;
    --control-bg-on-gray: #d4dcea;
    --disabled-control-bg: #f2f5fa;
    --heading-color: #333;
    --border-color:#e3e8f1;
    --avatar-frame-bg: #dde2ea;
    --margin-lg: 15px;
    --sidebar-select-color: #d4dcea;
    --awesomplete-hover-bg: #d4dcea;
    --scroll-bg: #eef1f5;
    --scroll-color: #d9dfe6;
}


/*****  OVERRIDDEN CSS  *****/

/* Heading Text Color */

.page-head{
    background: #7C7BAD !important;
    background: #7C7BAD !important;
}
.page-container{
    background: url(/web_responsive/static/src/css/../img/home-menu-bg-overlay.svg), linear-gradient(to bottom, #7C7BAD, #c3c2cc) !important;
    background-color: url(/web_responsive/static/src/css/../img/home-menu-bg-overlay.svg), linear-gradient(to bottom, #7C7BAD, #c3c2cc) !important;
}
h3.ellipsis.title-text, .widget-group .widget-group-head .widget-group-title, .layout-side-section .sidebar-label{
    color: white !important;
}


/* Form Input Focus */

input:focus{
    border: 1px solid #7C7BAD !important;
}
.form-control:focus{
    box-shadow: 0 0 0 2px rgba(94, 108, 162, 0.25) !important;
}


/* Div Padding */

.widget.widget-shadow.shortcut-widget-box{
    padding: 5px 10px;
}


/* List Design */

.indicator-pill, .indicator-pill-right{
    padding: 7px 8px;
    height: unset;
}


/* Collapse Div Padding */

.section-head.collapsed{
    padding: 2px 4px;
}


/* Dropdown List Hover */

.awesomplete > ul > li:hover, .awesomplete > ul > li[aria-selected="true"]{
    background-color: #a492bf;
}






/* Global CSS */

/* Colours */
:root {
    --background-color: #36414c;
    --primary-color: #ffa00a;
    --secondary-color: #7574ff;
    --white-color: #ffffff;
    --black-color: #000000;
    --gray-color: #888;

    --page-head-height: 50px;
    --navbar-height: 50px;
}
.btn-primary:active,
.btn-secondary:focus,
.btn-secondary:active,
.btn-secondary:focus{
    box-shadow: none !important;
}
.btn-primary{
    color: #fff !important;
    background-color: var(--primary-color) !important;
    border-radius: 0 !important;
}
.btn-primary:hover{
    background-color: rgba(255, 120, 10, 0.93) !important;
}
.btn-secondary{
    background-color: #606060 !important;
    color: var(--white-color) !important;
    border-radius: 0 !important;
    transition: background-color ease-in-out .15s;
}
.btn-secondary:hover{
    background-color: rgba(255, 120, 10, 0.93) !important;
} 
.page-head,
.page-head .page-head-content{
    height: var(--page-head-height);
}
.page-head,
.page-head .page-head-content{
    top: var(--page-head-height);
}



/* Top Header */
.navbar{
    background: var(--background-color) !important;
    height: var(--navbar-height);
}
.navbar-expand{
    background-color: var(--background-color);
}
#navbar-breadcrumbs > li > a::before{
    font-family: FontAwesome;
    font-weight: normal;
    font-style: normal;
    text-decoration: inherit;
    -webkit-font-smoothing: antialiased;
    margin-right: .3em;
    display: inline-block;

    font-size: 24px;
    transition: 0.2s;
    position: relative;
    top: 3px;
    content: "\f105";
    margin-right: 10px;
    color: var(--white-color);
}
#navbar-breadcrumbs a{
    color: var(--white-color);
    text-decoration: none;
}
header .form-control{
    color: var(--white-color);
}
header .form-control:focus{
    border: 0;
}
.search-bar .awesomplete input{
    height: 32px;
}
#navbar-search{
    width: 300px;
    background-color: rgb(65, 78, 90);
    border-radius: 0px;
    color: #f9f9f9;
    border: none;
}
header ul#navbar-breadcrumbs{
    margin-top: -8px;
}
header .form-control:focus{
    background-color: var(--white-color) !important;
}



/* Sidebar */
.layout-side-section .sidebar-label{
    color: var(--primary-color);
}
.sidebar-label svg,
.layout-side-section .sidebar-label .icon{
    stroke: var(--primary-color);
}
.list-sidebar-button{
    background-color: #c8c4c4 !important;
    box-shadow: none !important;
}
.list-sidebar-button:active,
.list-sidebar-button:focus{
    text-decoration: none !important;
    box-shadow: none !important;
}


/* Input Fields */
input{
    border-radius: 0 !important;
}
.form-control{
    transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
    background-color: #f2f2f2 !important;
}
.form-control:focus{
    outline: 0;
    border: 1px solid var(--primary-color);
    box-shadow: none;
    background: rgba(255, 160, 10, 0.14) !important;
}
.navbar .navbar-nav a.nav-link{
    color: var(--white-color);
}
span.notifications-seen use,
symbol#icon-small-down{
    fill: var(--white-color);
}


/* Table */
.form-grid{
    border-radius: 0;
    border: 1px solid #bbbbbb;
}
.form-grid .grid-heading-row{
    background-color: #f4f4f4;
}
.grid-heading-row{
    border-bottom: 1px solid var(--primary-color);
}
.grid-row > .row .col{
    border-right: 1px solid #d1d8dd;
}
.form-grid .grid-row:hover{
    background: rgba(255, 152, 0, 0.15);
}

/* Heading Color */
.head-title, .form-section .section-head, .form-dashboard-section .section-head, .comment-box .comment-input-header{
    color: var(--primary-color);
}

/* Lists */
.list-subject a{
    text-decoration: none;
    transition: 0.3s;
}
.list-subject a:hover{
    color: var(--secondary-color);
}


/* Report Table */
.datatable .dt-header .dt-cell--header .dt-cell__content{
    background-color: #f4f4f4;
}



.filter-button,
.sort-selector-button,
.btn-order{
    background-color: #ea7272 !important;
    color: var(--white-color) !important;
    transition: 0.3s;
    border-radius: 0 !important;
}
.filter-button:hover,
.sort-selector-button:hover,
.btn-order:hover{
    background-color: #c83b3b !important;
}
.filter-button span.filter-icon{
    color: var(--white-color);
}
.filter-button span.filter-icon svg.icon{
    stroke: var(--white-color);
} 

but nothing changes in the system

you can use firefox browser or opera
after clear cache for web use ctrl+shift+r