upgrade node version to 16.16.0

Jenkinsfile

     stages {
         stage('install dependencies') {
             steps {
-                nvm( version : '16.13.2' ){
+                nvm( version : '16.16.0' ){
                     sh 'npm install'
                 }
             }
         }
         stage('build') {
             steps {
-                nvm( version : '16.13.2' ){
+                nvm( version : '16.16.0' ){
                     sh 'npm run build'
                 }
             }
         }
         stage('test') {
             steps {
-                nvm( version : '16.13.2' ){
+                nvm( version : '16.16.0' ){
                     sh 'npm run test'
                 }
             }

src/App.css

 }
 
 #login_btn_fn:hover{
-    background-color: var(--main);
+    background-color: var(--second);
 }
 
 .btn_plaza_common{

src/Pages/Logincs.jsx

                             alignItems:'center'
                         }}
                     >
-                        <Avatar sx={{ m: 1, bgcolor: '#fd4b4b' }}>
+                        <Avatar sx={{ m: 1, bgcolor: 'var(--second)' }}>
                             <PersonIcon />
                         </Avatar>
                         <Typography component="h1" variant="h5">
                                 type="submit"
                                 fullWidth
                                 variant="contained"
-                                sx={{ mt: 3, mb: 2, bgcolor: 'var(--main)' }}
+                                sx={{ mt: 3, mb: 2, bgcolor: 'var(--second)' }}
                             >
                                 Ingresar
                             </Button>