* {
    font-family: 'Gilroy',sans-serif;
    transition: 0.3s all;
      font-weight: 600;
  }
  #app {
    width: 200px;
    box-shadow: 0 3px 15px grey;
  }
  input[type="text"] {
    width: 200px;
    border: 0;
    color: #243849;
    font-size: 18px;
    padding: 5px 5px;
    text-align: right;
  }
  .grid {
    display: flex;                       
    flex-wrap: wrap;  
    justify-content: space-around;
    width: 100%;
    
  }
  .cell {
    flex: 33%;                       
    height: 50px;
    font-size: 18px;
    border: none;
  }
  .num {
    background-color: #243849;
    color: #fff;
    font-weight: 400;
  }
  .cell:hover{
    background-color: #182530;
  }
  .op {
    background-color: #ff9900;
    color: #243849;
  }