* {
    box-sizing: border-box;
 }
 
 .copy-text-btc {
   position:relative;
   padding:2px;
   padding-right:1px;
   background: #fff;
   border:1px solid #ddd;
   border-radius:10px;
   display:flex;
   width:97%;
   margin-left: 7px;
   margin-bottom: 10px;
 }
 
 .copy-text-btc input.text-btc {
      padding: 5px;
      font-size:12px;
      color:#555;
      border:none;
      outline:none;
      margin-left: 18px;
      font-weight: bold;
 }
 .copy-text-btc button {
     background:#f3ba2f; 
     color:#000000;
     font-size:18px;
     border:none;
     outline:none;
     border-radius:5px;
     cursor:pointer;
 }
 
 .text-btc{
       width: 980px;
 }
 .copy-text-btc button:active-btc {
      background:#809ce2;
 }
 .copy-text-btc button:before {
      content:"Copied";
      position:absolute;
      top:-33px;
      right:0px;
      background:#f3ba2f;
      padding:8px 10px;
      border-radius:20px;
      font-size:10px;
      display:none;
      
 }
 .copy-text-btc button:after {
      context:"";
      position:absolute;
      top:-20px;
      right:25px;
      width:10px;
      height:10px;
      background:#5c81dc; 
      transform:rotate(45deg);
      display:none;
 }
 .copy-text-btc.active-btc button:before,
 .copy-text-btc.active-btc button:after {
    display:block; 
 }