@import url(https://fonts.googleapis.com/css?family=Pacifico|Open+Sans|Montserrat);

body{
  background-color: #00000F;
  font-family: Verdana;
}

h1{
  margin-top: 0px;
  font-size: 2em;
  font-weight: bold;
}

.well{
  background-color: #F3EEE7;
  position: relative;
  margin: 7% auto auto auto;
  width: 340px;
  text-align: center;
  border-color: #635E61;
  border-radius: 20px;
  box-shadow: inset 2px 0px 10px -5px #635E61,
              inset -5px 0px 15px -5px #635E61,
              inset 10px 0px 10px -12px #635E61,
              inset -2px 0px 4px 2px #635E61,
              inset -2px 0px 10px 0px #494547;
}

.result{
  border-radius: 8px;
}

button{
  border-radius: 8px;
  width: 65px;
  height: 55px;
  font-size: 20px;
  border: 1px solid;
  border-color: #FFFFFF;
  margin-top: 3px;
  margin-right: 2px;
  margin-left: 2px;
  -webkit-transition-duration: 0.4s; /* Safari */
  transition-duration: 0.4s;
  box-shadow: inset 5px 0 15px -5px #635E61,
              inset -3px 0 15px -5px #635E61,
              inset 0px -5px 0px -3px #635E61,
              inset 0 0 2px 2px #635E61,
              inset 0 5px 15px 0 #494547;
}

.long{
  width: 140px;
}

.responsive:hover {
    background-color: #494547;
    color: #FFFFFF;
    box-shadow: inset 5px 0 15px -5px #F3EEE7,
              inset -3px 0 15px -5px #F3EEE7,
              inset 0px -5px 0px -3px #F3EEE7,
              inset 0 0 2px 2px #F3EEE7,
              inset 0 5px 15px 0 #F3EEE7;
}

.buttons{
  margin-right: auto;
  margin-left: auto;
}

input{
  width: 289px;
  height: 50px;
  text-align: right;
  font-size: 1.7em;
}