*{
   margin: 0;
   padding: 0;
}

body{
   font-family: Verdana, Geneva, Tahoma, sans-serif;
   width: 100%;
   height: 100vh;
   display: flex;
   justify-content: center;
   align-items: center;
}

.keycode{
   background-color: #eee;
   color: #555;
   padding: 15px 30px;
   border-radius: 4px;
   box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
   border: 1px solid #999;
   margin: 0 5px;
}

.key {
   border: 1px solid #999;
   background-color: #eee;
   box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
   display: inline-flex;
   align-items: center;
   font-size: 20px;
   font-weight: bold;
   padding: 20px;
   flex-direction: column;
   margin: 10px;
   min-width: 150px;
   position: relative;

   small {
      position: absolute;
      top: -24px;
      left: 0;
      text-align: center;
      width: 100%;
      color: #555;
      font-size: 14px;
   }
}

.hidden{
   display: none;
}
/* -------------------------media --------------------------- */
@media(max-width:700px){
   .keycode{
      h3{
         font-size: 15px;
      }
   }
   .key {
      font-size: 17px;
      padding: 17px;
      margin: 5px;
      min-width: 100px;
   }
}