html,
body {
  height: 100%;
  margin: 0;
}

body {
  text-align: center;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.calc-container {
  margin: 0 auto;
  width: 270px;
  border-radius: 9px;
  /*box-shadow: inset 0px 0px 5px 2px rgb(118, 118, 118);*/
  box-shadow: inset 0px 0px 20px 2px rgba(19, 19, 19, 1), 0px 0px 2px 1px rgba(0, 0, 0, 0.75);
  height: 440px;
  width: 280px;
  background: rgb(212, 212, 212);
}


/*.buttons {
  margin: 0 auto;
  width: 250px;
}*/

.calc-name {
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  font-size: 20px;
  padding-top: 7px;
}

.buttons-container {
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  /* padding-top: 5px;*/
  /* margin: 0 auto;*/
  height: 300px;
  width: 249px;
}

.buttons-container button {
  width: 50px;
  height: 50px;
  outline: 0;
  cursor: pointer;
  display: inline-block;
  vertical-align: top;
  margin-top: -10px;
  margin-bottom: 3px;
  text-align: center;
  color: white;
  font-size: 18px;
  text-shadow: 0 0 8px #fff, 0 0 50px #fff, 0 0 40px #FFFFFF, 0 0 70px #ff00de, 0 0 80px #FFFFFF, 0 0 100px #FFFFFF, 0 0 150px #FFFFFF;
  border-radius: 9px;
  /*-moz-border-radius: 10px 10px 10px 10px;
-webkit-border-radius: 10px 10px 10px 10px;*/
  -webkit-box-shadow: 0px 0px 5px 2px rgb(118, 118, 118);
  -moz-box-shadow: 0px 0px 5px 2px rgb(118, 118, 118);
  box-shadow: 0px 0px 5px 2px rgb(118, 118, 118);
  border: 1px solid black;
  background: rgba(76, 76, 76, 1);
  background: -moz-linear-gradient(top, rgba(76, 76, 76, 1) 0%, rgba(89, 89, 89, 0.99) 12%, rgba(102, 102, 102, 0.99) 25%, rgba(71, 71, 71, 0.98) 39%, rgba(0, 0, 0, 0.94) 97%, rgba(19, 19, 19, 0.94) 100%);
  background: -webkit-gradient(left top, left bottom, color-stop(0%, rgba(76, 76, 76, 1)), color-stop(12%, rgba(89, 89, 89, 0.99)), color-stop(25%, rgba(102, 102, 102, 0.99)), color-stop(39%, rgba(71, 71, 71, 0.98)), color-stop(97%, rgba(0, 0, 0, 0.94)), color-stop(100%, rgba(19, 19, 19, 0.94)));
  background: -webkit-linear-gradient(to bottom, rgba(76, 76, 76, 0.1) 0%, rgba(89, 89, 89, 0.5) 12%, rgba(102, 102, 102, 0.99) 25%, rgba(71, 71, 71, 0.98) 39%, rgba(9, 9, 9, 1) 97%, rgba(19, 19, 19, 0.8) 100%);
  background: -o-linear-gradient(to bottom, rgba(76, 76, 76, 0.1) 0%, rgba(89, 89, 89, 0.5) 12%, rgba(102, 102, 102, 0.99) 25%, rgba(71, 71, 71, 0.98) 39%, rgba(9, 9, 9, 1) 97%, rgba(19, 19, 19, 0.8) 100%);
  background: -ms-linear-gradient(to bottom, rgba(76, 76, 76, 0.1) 0%, rgba(89, 89, 89, 0.5) 12%, rgba(102, 102, 102, 0.99) 25%, rgba(71, 71, 71, 0.98) 39%, rgba(9, 9, 9, 1) 97%, rgba(19, 19, 19, 0.8) 100%);
  background: linear-gradient(to bottom, rgba(76, 76, 76, 0.1) 0%, rgba(89, 89, 89, 0.5) 12%, rgba(102, 102, 102, 0.99) 25%, rgba(71, 71, 71, 0.98) 39%, rgba(9, 9, 9, 1) 97%, rgba(19, 19, 19, 0.8) 100%);
  /*background: linear-gradient(to bottom, rgba(76, 76, 76, 0.1) 0%, rgba(89, 89, 89, 0.1) 12%, rgba(102, 102, 102, 0.2) 25%, rgba(71, 71, 71, 0.3) 39%, rgba(9, 9, 9, 0.5) 97%, rgba(19, 19, 19, 0.3) 100%);*/
  filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#4c4c4c', endColorstr='#131313', GradientType=0);
}

input[type="text"] {
  text-align: right;
  color: white;
  border: 1px solid black;
  height: 45px;
  background-color: rgba(19, 19, 19, 0.8);
  -webkit-box-shadow: 0px 0px 5px 2px rgb(118, 118, 118);
  -moz-box-shadow: 0px 0px 5px 2px rgb(118, 118, 118);
  box-shadow: 0px 0px 5px 2px rgb(118, 118, 118);
  width: 233px;
  font-size: 20px;
  border-radius: 4px;
}

input[type="text"]:focus {
  outline: 0;
}

.input-container {
  margin: 0 auto;
  padding-bottom: 10px;
}

.description {
  text-shadow: 0px 1px 1px white;
  margin-top: -20px;
  font-family: 'Open Sans', sans-serif;
  font-size: 11px;
}

.error-display {
  height: 15px;
  margin-top: -15px;
  text-align: right;
  margin-right: 24px;
  margin-left: 24px;
  color: white;
}

.buttons-container button:nth-child(8) {
  font-size: 15px;
}

.buttons-container button:nth-child(12) {
  font-size: 25px;
}

.buttons-container button:nth-child(16) {
  font-size: 22px;
}

.buttons-container button:nth-child(4) {
  font-size: 19px;
}

.buttons-container button:nth-child(18) {
  font-size: 26px;
  text-shadow: 0 0 8px #fff, 0 0 50px #fff, 0 0 40px #FFFFFF, 0 0 70px #ff00de, 0 0 80px #FFFFFF, 0 0 100px #FFFFFF, 0 0 10px #FFFFFF;
}

.buttons-container button:last-child {
  width: 110px;
}

.buttons-container button:active {
  -webkit-box-shadow: 0px 0px 5px 2px rgb(118, 118, 118), inset 1px 1px 1px 0px black, inset -1px -1px 1px 0px black;
  -moz-box-shadow: 0px 0px 5px 2px rgb(118, 118, 118), inset 1px 1px 1px 0px black, inset -1px -1px 1px 0px black;
  box-shadow: 0px 0px 5px 2px rgb(118, 118, 118), inset 1px 1px 1px 0px black, inset -1px -1px 1px 0px black;
  border: 1px solid grey;
}

.outer-cont {
  height: 100%;
  display: flex;
  justify-content: space-around;
}

.all-content {
  margin: auto;
}


.article {
  font-family: Arial, Helvetica, sans-serif;
  text-align: left;
  padding: 0 10% 1%;
}