html,body {
  background-color: #fff;
}
.container{
  width:80%;
  margin-top:50px;
}
.textbox{
  height:300px;
  border:1px solid #c2ccd0;
  border-radius:10px;
  
}
.btnbox{
  margin-top:20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.txt{
  outline:none;
  width:60%;
  border:1px solid #c2ccd0;
  border-radius:5px;
  font-size:14px;
  height:34px;
  padding-left:10px;
}
.sub,.del{
  outline:none;
  flex:1;
  margin-left:10px;
  border-radius:5px;
  background:#fff;
  height:34px;
  font-size:14px;
  cursor:pointer;
}
.sub{
  color:rgb(230, 80, 0);
  border: 1px solid rgb(230, 80, 30);
}
.del{
  border:1px solid #c2ccd0;
  color: rgb(176, 168, 165);
}
.show{
  height:280px;
  padding:10px;
  position:relative;
  overflow:hidden;
}
.show>p{
  position:absolute;
  left:100%; 
white-space:nowrap; 
}