javascript - Boostrap css doesn't work -

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i installed npm install bootstrap --save , added (below) index.html styles doesn't change.

<link rel="stylesheet"  href="node_modules/bootstrap/dist/css/bootstrap.min.css">

my code (in other file):

<button type="submit" class="btn btn-default">submit</button>

only when add (below) index.html, works first web's load slow:

<!-- latest compiled , minified css --> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mtjoasx8j1au+a5wdvnpi2lkffwweaa8hdddjzlplegxhjvme1fgjwpgmkzs7" crossorigin="anonymous">

update: (more details)

the file bootstrap.min.css exsist console says cant find it.

folders strucure: there main folder ang2project , inside there node_modules folder , src folder contain index.html

-angular2_projects    -node_modules           -bootstrap               -dist                  -css                     bootstrap.min.css    -src           -index.html

change:

<link rel="stylesheet" href="node_modules/bootstrap/dist/css/bootstrap.min.css">

to:

<link rel="stylesheet" href="../node_modules/bootstrap/dist/css/bootstrap.min.css">

you need 1 directory.


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