.input_number
{
  font-family: arial;
  border:3px solid #fff;
  padding: 1rem 0rem;
  width:200px;
  background: #78B332;
  color:#fff;
  font-size: 2rem;
  font-weight:700;
  text-align: center;
  outline:0;
  border-radius:100px;
  box-shadow:0 5px 15px rgba(0,0,0,0.5);
  
}
.input_number::placeholder 
{
  color:#fff;

}
/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}