javascript - How do I modify my CSS so that I can display an element in the DOM with a specific color? -


i trying build website using bootstrap , javascript. trying learn how implement feature show user actively engaging site displaying green bubble next profile name when logged web application. have created project , have included code in attempt show active user bubble in green instead of red bubble indicates user offline.

please see image below displays trying accomplish.

i have included code snippet clarity.

any guidance appreciated.

enter image description here

html

 <div id="user-avtive"><span><img  src="/assets/images/signin/user-online.png"></span></div>

make use of pseudo elements ::after,::before instead of images. can try this.

.user{  font-size:15px;  font-weight:bold;  text-transform:uppercase;  position:relative;  display:inline-block;  }    .user::after{  content:"";  height:8px;  width:8px;  border-radius:50px;  background-color:#000000;  top:0;  right:-10px;  margin:auto;  display:inline-block;  position:absolute;  }    .user.active::after{  background-color:#00ff00;  }    .user .username{  color:#0000ff;  }
<div class="user active">  hi <span class="username">user</span>  </div>


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