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  <style>

    
     body {
    
         text-align: center;
    
     }
    
  
    
     input {
    
         width: 150px;
    
         height: 20px;
    
         line-height: 20;
    
         border: 1px solid red;
    
         border-radius: 2px;
    
         margin-right: 5px;
    
     }
    
     input:focus{
    
         border: 1px solid skyblue;
    
     }
    
     span{
    
         font-size: 12px;
    
         font-weight: bold;
    
     }
    
     </style>
    
    
    
    

     <input type="text"></input><span></span>