*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
 
body{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background:-linear-gradient(45deg,#0a0a0a0a, #3a4452) ;
    background-color:#0B192C;
}

.calculator{
    border: 1px solid #717377;
    padding: 20px;
    border-radius: 16px;
    background-color: transparent;
    box-shadow: 0 3px 15px rgba(113,115,119,0.1);

}

input {
  width: 320px;
  border: none;
  padding: 24px;
  margin: 10px;
  background-color: transparent;
  box-shadow: 0 3px 15px rgba(113,115,119,0.1);
  font-size: 40px;
  text-align: right;
  cursor: pointer;
  color: #ffffff;

}
input::placeholder {
    color: #ffffff;
}

.button{
    border: none;
    width: 60px;
    height: 60px;
    margin: 10px;
    border-radius: 50%;
    background-color: transparent;
    color: #FF6500;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: -8px -8px 15px rgba(113, 115,119,0.1);

}