downloaded a free bootstrap template and try change the style with a custom css file but the css in the template did not change it. try to change some background colors and text color has no effect why is this not work, what can do, can template blocked that you can not do changes?
this is only a small part of example the css and html is to big to upload
<!DOCTYPE html>
<head>
<link rel="stylesheet" href="assets/css/style.css" />
<link rel="stylesheet" href="assets/css/custom.css" />
</head>
<body>
<div class="container">
<div class="col-lg-4 my-3">
<div class="card hover-top">
<div class="card-body">
<span class="bg-white font-w-500 py-1 lh-1 me-1 mb-1">
change style text
</span>
<div class="d-flex align-items-end pt-4">
<div class="display-7 m-0 font-w-700 lh-1">Display Text</div>
</div>
</div>
</div>
</div>
</div>
/** style.css **/
/********** Template CSS **********/
.card {
position: relative;
display: flex;
flex-direction: column;
min-width: 0;
word-wrap: break-word;
background-color: #ffffff;
background-clip: border-box;
border: 0 solid #eff2f7;
border-radius: 0.3rem; }
.card > hr {
margin-right: 0;
margin-left: 0; }
.card > .list-group {
border-top: inherit;
border-bottom: inherit; }
.card > .list-group:first-child {
border-top-width: 0;
border-top-left-radius: 0.3rem;
border-top-right-radius: 0.3rem; }
.card > .list-group:last-child {
border-bottom-width: 0;
border-bottom-right-radius: 0.3rem;
border-bottom-left-radius: 0.3rem; }
.card > .card-header + .list-group,
.card > .list-group + .card-footer {
border-top: 0; }
.card-body {
flex: 1 1 auto;
padding: 1.75rem 1.75rem; }
.card-title {
margin-bottom: 0.5rem; }
.card-subtitle {
margin-top: -0.25rem;
margin-bottom: 0; }
.card-text:last-child {
margin-bottom: 0; }
.card-link + .card-link {
margin-left: 1.75rem; }
.card-header {
padding: 0.875rem 1.75rem;
margin-bottom: 0;
background-color: transparent;
border-bottom: 0 solid #eff2f7; }
.card-header:first-child {
border-radius: 0.3rem 0.3rem 0 0; }
.card-footer {
padding: 0.875rem 1.75rem;
background-color: transparent;
border-top: 0 solid #eff2f7; }
.card-footer:last-child {
border-radius: 0 0 0.3rem 0.3rem; }
/** custom.css try this **/
.newtextstyle{
color: red;
font-size:1.5em;
}
/** custom.css and this **/
.newtextstyle{
color: red !important;
font-size:1.5em !important;
}
/* try to change this with no effect */
<span class="bg-white font-w-500 py-1 lh-1 me-1 mb-1 newtextstyle">
change style text
</span>