JSFiddle - React, Tailwind, and code Playground

HTML

<div class="tabs">
    <div class="ttitle" ></div> 
</div>

CSS

.tabs{         
    width: 1010px; 
    height: 580px;           
    background: #000;            
    border-style: solid;       
    border-radius: 250px;           
    overflow: hidden;     
}
.ttitle{    
    margin-left: 300px;
    height: 54px;
    width: 10160px;
    background: #0F0;
    overflow: hidden;  
}