body {
  margin: 0;
  padding: 0;
  background: url("../images/wall.png") no-repeat fixed;
  background-size: cover;
  z-index: -2;
}

div#main-wrapper {
  position: relative;
  margin: 20px auto 0;
  width: 550px;
  height: 550px;
}
div#main-wrapper img {
  position: absolute;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  filter: drop-shadow(10px 10px 10px #555);
  z-index: -1;
}
div#main-wrapper div#output-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 40%;
  padding: 0;
  justify-content: flex-end;
}
div#main-wrapper div#output-container div#version-label {
  width: fit-content;
  margin: 35px 0 0 20px;
  padding: 5px;
  color: #ccc;
  border-top: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
  font-size: 11pt;
  font-family: "Roboto Condensed", "Trebuchet MS", Helvetica, sans-serif;
  font-style: italic;
}
div#main-wrapper div#output-container output {
  display: block;
  position: relative;
  width: 90%;
  height: 90px;
  margin: auto 25px 30px;
  padding: 0 10px 0;
  box-sizing: border-box;
  overflow: hidden;
}
div#main-wrapper div#output-container output span#output-operation {
  position: absolute;
  top: 1px;
  left: 8px;
  font-size: 14pt;
  font-weight: bold;
  font-family: "Roboto Condensed", "Trebuchet MS", Helvetica, sans-serif;
  white-space: nowrap;
}
div#main-wrapper div#output-container output span#output-memory {
  position: absolute;
  bottom: 5px;
  left: 8px;
  font-size: 10pt;
  font-weight: bold;
  font-family: "Roboto Condensed", "Trebuchet MS", Helvetica, sans-serif;
  white-space: nowrap;
}
div#main-wrapper div#output-container span#output-screen {
  display: block;
  position: absolute;
  bottom: 5px;
  right: 10px;
  max-width: calc(100% - 20px);
  /* keep inside padding */
  white-space: nowrap;
  overflow: hidden;
  margin: 0 auto 0 0;
  padding: 0 5px 0 0;
  text-align: right;
  font-size: 54pt;
  font-family: "Roboto Condensed", "Trebuchet MS", Helvetica, sans-serif;
  letter-spacing: -2px;
  text-shadow: 3px 3px 5px #555;
}
div#main-wrapper div#main-container {
  display: flex;
  height: auto;
  padding: 20px;
}
div#main-wrapper div#main-container div#keyboard {
  display: grid;
  grid-template-columns: auto auto auto auto auto auto;
  grid-template-rows: 45px auto auto auto auto;
  grid-row-start: 1;
  column-gap: 15px;
  row-gap: 10px;
  margin: auto;
  justify-items: center;
  align-items: end;
}
div#main-wrapper div#main-container div#keyboard button.btn-key {
  display: inline;
  width: 65px;
  height: auto;
  margin: 0;
  padding: 0;
  background: #222;
  color: #ff7;
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
  font-size: 20pt;
  box-sizing: border-box;
  border-radius: 5px;
  text-shadow: -1px -1px 1px #777;
  box-shadow: 3px 2px 5px #222;
}
div#main-wrapper div#main-container div#keyboard button.btn-key:active {
  position: relative;
  top: 2px;
  left: 1px;
  box-shadow: 1px 1px 2px #777;
}
div#main-wrapper div#main-container div#keyboard button.memory {
  align-self: start;
  height: 30px;
  font-size: 14pt;
}
div#main-wrapper div#main-container div#keyboard button.digits {
  height: 45px;
  background: #777;
  color: #fff;
  font-size: 22pt;
  text-shadow: -1px -1px 2px #222;
}
div#main-wrapper div#main-container div#keyboard button.controls {
  height: 45px;
}
div#main-wrapper div#main-container div#keyboard button#mclear {
  grid-column-start: 2;
}
div#main-wrapper div#main-container div#keyboard button#plus {
  height: 100%;
  grid-area: 4/5/6/6;
}
div#main-wrapper div#main-container div#keyboard button#reset {
  background: #f56;
  color: #fff;
}
div#main-wrapper div#main-container div#keyboard button#power2 sup {
  font-size: 12pt;
}

/*# sourceMappingURL=style.css.map */