body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.calculator-container{
    margin-top: 23px;
    border: 2px solid black;
    padding: 10px;
    border-radius: 17px;
    background-color: rgb(53, 53, 53);
    width: 380px;
    height: 590px;
    margin-bottom: 30px;
    max-width: 80%;
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.input-container {
    width: 95%;
    height: 390px;
    background-color: rgb(54, 53, 53);
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: repeat(1fr,4);
    gap: 12px;
    /* border: 2px solid black; */
    padding: 10px;
    border-radius: 10px;
    margin-top: 40px;
}
#equal{
    grid-column:span 2;
}
#result input{
  margin-top: 0px !important;
  width: 98%;
  height: 80px;
  border: 2px solid black;
  color:rgb(0, 0, 0);
  border-radius: 10px;
  margin-bottom:10px;
  background-color: #505202;
  /* color--- rgb(61, 55, 0)*/
  font-size: 75px;
  text-align: right;
  /* font-family: san-saira ; */
  /* font-family: "saira", sans-serif; */
  font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}
#result {
    color: white;
    text-align: center;
    font-size: 30px;
    margin: 0px !important;
}
.input-container button{
    border-radius: 20px;
    padding: 10px;
    font-size: 2rem;
    background-color: rgb(53, 51, 51);
    color: white;
    border-style: none;
    border: 2px solid rgb(29, 28, 28);
    box-shadow: 5px 5px 2px rgb(20, 20, 20);
    font-family:Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}
#operator,#allclear{
    color: rgba(255, 103, 0);
    font-size: 1.66rem;
}
#equal{
    background-color: rgba(255, 103, 0);
    color: white;
}
footer{
    margin-top: auto;
    font-size: 12px;
    color: rgb(39, 39, 39);
}