* {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: #23283b;
  min-height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  background-color: #131313;
  max-width: 300px;
  height: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 25px 35px;
  border-radius: 10px;
  user-select: none;
}
.container .h3
{
  border: 6px rgba(128, 128, 128, 0.116) solid;
  text-align: center;
  height: 5vh;
  width: 45vh;
  color: white;
  font-size: 100%;
  line-height: 0px;
  word-wrap: break-word;
 
}

#Display-area {
  width: 100%;
  margin: 3vh 0;
  display: grid;
  grid-template-columns: 100%;
  grid-template-rows: repeat(2, minmax(40px, auto));
  word-wrap: break-word;
  padding-bottom: 20px;
  border-bottom: 1px rgba(128, 128, 128, 0.116) solid;
}


.container .h3:hover {
  background-color: #e6d3678d;
}

#Display-area .currentInput {
  text-align: right;
  height: 8vh;
  color: white;
  font-size: xx-large;
  line-height: 2;
  word-wrap: break-word;

}

#Display-area .answerScreen {
  text-align: right;
  color: rgba(150, 150, 150, 0.87);
  line-height: 1;
  font-size: larger;
}

.keypad-btns {
  display: grid;
  grid: repeat(5, 70px) / repeat(4, 70px);
  grid-row-gap: 20px;
  grid-column-gap: 20px;
}

.keypad-btns button {
  outline: none;
  border: none;
  border-radius: 122px;
  background-color: #232534;
  color: #fff;
  font-size: x-large;
}

.keypad-btns .fun_btn {
  color: #000;
  background: #eedd82;
  font-weight: bold;
}

.num_btn:hover {
  background-color: #282a3a;
}

.fun_btn:hover {
  background-color: #e6d267d4;
}

@media only screen and (max-width: 600px) {
  body {
    background-color: #131313;
    align-items: flex-start;
  }
}