html, body {
  margin: 0px;
  padding: 0px;
}

body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#calculator {
  height: 100%;
  width: 100%;
  display: table;
  border-collapse: collapse;
  background-color: #f8f8f8;
}

#display {
  font-family: Courier;
  display: table-row;
  background-color: white;
}

#display_cell {
  display: table-cell;
  vertical-align: bottom;
  background-image: -webkit-gradient(linear, left top, 15 top, from(#f3f3f3), color-stop(0.9, #f3f3f3), color-stop(0.9, white), to(white));
}

#display_scroll {
  overflow: auto;
}

#display_grid {
  font-size: 14px;
  width: 100%;
}

#display_gutter {
  width: 15px;
}

#display_grid .line_number {
  font-size: 10px;
  vertical-align: top;
  font-family: arial;
  font-weight:bold;
  padding: 10px 0px;
}

#display_grid .expression_editor {
  outline-style: none;
  font-weight:bold;
  font-size: 20px;
  word-break: break-all;
}

#display_grid .expression_cell {
  padding: 10px 0px;
}

#display_grid .result_cell {
  padding: 10px 0px;
  text-align: right;
  vertical-align: bottom;
}

.result_display {
  border-radius: 6px;
  -moz-border-radius: 6px;
  -webkit-border-radius: 6px;
  padding: 0px 7px;
  color: #4993d2;
  background-color: #e6eef9;
  font-family: arial;
  font-weight:bold;
  font-size: 16px;
}

#divide {
  display: table-row;
  height: 0.5em;
}

#divide > div {
  border-top: 1px solid #d0d0d0;
  border-bottom: 1px solid #d0d0d0;
}

#divide button {
  border: 1px solid #f8f8f8;
  display: block;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
  font-size: xx-small;
  background-color: #f8f8f8;
  color: #909090;
  cursor: hand;
}

#divide button:hover {
  border: 1px solid #acacac;
  border-radius: 6px;
  -moz-border-radius: 6px;
  -webkit-border-radius: 6px;
  background: -webkit-gradient(linear, left top, left bottom, from(#fafafa), to(#d0d0d0));
}

#divide button:active {
  background: -webkit-gradient(linear, left top, left bottom, from(#d0d0d0), to(#fafafa));
}

#button_pad {
  display: table-row;
  height: 130px;
}

#button_pad table {
  border-collapse: collapse;
  border-spacing: 0px;
  margin: 5px auto;
  border-style: none;
}

#button_pad table td {
  padding: 0px;
}

.pad_button {
  border-top: 1px solid #acacac;
  border-left: 1px solid #acacac;
  border-right: none;
  border-bottom: none;
  width: 45px;
  height: 30px;
  background: -webkit-gradient(linear, left top, left bottom, from(#fafafa), to(#d0d0d0));
  font-weight: bold;
  text-align: center;
  cursor: hand;
  font-size: small;
}

.round_pad_button {
  border-radius: 20px;
  -moz-border-radius: 20px;
  -webkit-border-radius: 20px;
  border: 1px solid #acacac;
  width: 30px;
  height: 28px;
  margin: 1px 3px;
}

#kp_7 {
  border-top-left-radius: 10px;
  -moz-border-top-left-radius: 10px;
  -webkit-border-top-left-radius: 10px;
}

#kp_9 {
  border-top-right-radius: 10px;
  -moz-border-top-right-radius: 10px;
  -webkit-border-top-right-radius: 10px;
}

#kp_3 {
  border-bottom-right-radius: 10px;
  -moz-border-bottom-right-radius: 10px;
  -webkit-border-bottom-right-radius: 10px;
}

#kp_0 {
  border-bottom-right-radius: 10px;
  border-bottom-left-radius: 10px;
  -moz-border-bottom-right-radius: 10px;
  -moz-border-bottom-left-radius: 10px;
  -webkit-border-bottom-right-radius: 10px;
  -webkit-border-bottom-left-radius: 10px;
}

#kp_9, #kp_6, #kp_3, #kp_0 {
  border-right: 1px solid #acacac;
}

#kp_0, #kp_2, #kp_3 {
  border-bottom: 1px solid #acacac;
}

#kp_eq {
  border-bottom: 1px solid #acacac;
  width: 40px;
}

.pad_button:active {
  background: -webkit-gradient(linear, left top, left bottom, from(#d0d0d0), to(#fafafa));
}