button{
    background-color: #ffffff56;
    padding: 15px;
    width: 15%;
    height:200px;
    
  }

  
body {
  background: rgb(57,57,57);
  background: radial-gradient(circle, rgba(57,57,57,1) 0%, rgba(0,0,0,1) 100%);
  background-size: cover;
  background-attachment: fixed;
}
  
  #caja_display{
    display: inline-flexbox;
    margin-left: 250px;
    margin-right: 250px;
  }

#caja_botones{
  display: inline-flexbox;
  text-align:center;
  margin-left: 250px;
  margin-right: 250px;
  }

#display{
  color: rgb(255, 255, 255);
  text-align:center;
  font-size:350%;
  
}

#display_2{
  color: rgba(255, 255, 255, 0.562);
  text-align:center;
  font-size:100%;
}

#igual{
  background-color: rgb(0, 118, 253);
}

.digito{
  background-color: rgba(0, 0, 0, 0.452);
  color: rgba(255, 255, 255, 0.904);
}
.operador{
  background-color: rgb(37, 37, 37);
  color: rgba(255, 255, 255, 0.904);
}