h1 { 
  font-family: helvetica;
  text-align:center;
}

.pin-code{ 
  padding: 0; 
  margin: 0 auto; 
  display: flex;
  justify-content:center;
} 
 
.pin-code input { 
  border: none; 
  text-align: center; 
  width: 96px;
  height:96px;
  font-size: 36px; 
  background-color: #F3F3F3;
  margin-right:5px;
} 

.pin-code input:focus { 
  border: 1px solid #573D8B;
  outline:none;
} 


input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}