*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins,sans-serif';
}

body{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: black;

}
.Calculator{
    border: 1px solid #717377;
    padding: 20px;
    border-radius: 16px;
    background: transparent;
    box-shadow: 0px 3px 15px rgba(red, green, blue, alpha);
}
 
input{
    width: 100px;
    border: none;
    margin: 10px;
    background: transparent;
    box-shadow: 0px 3px 15px rgbs(84,84,84,0.1);
    font-size: 40px;
    text-align: right;
    cursor: pointer;
    color: #ffffff;
}

button{
    border: none;
    width: 60px;
    height: 60px;
    margin: 10px;
    border-radius: 50%;
    background: transparent;
    color: #ffffff;
    font-size: 20px;
    box-shadow: -8px -8px 15px rgba(255, 255, 255,0.1);
    cursor: pointer;
    
}

.equalbtn{
    background-color: chocolate;
}
.operator{
    color: #6dee6d;
}
/* 🔹 Tablet screens (max-width: 768px) */
@media (max-width: 768px) {
  .Calculator {
    width: 280px;
    padding: 15px;
  }
  .Calculator input {
    height: 50px;
    font-size: 1.2rem;
  }
  .Calculator button {
    width: 60px;
    height: 60px;
    font-size: 1rem;
    margin: 4px;
  }
}

/* 🔹 Mobile screens (max-width: 480px) */
@media (max-width: 480px) {
  .Calculator {
    width: 90%;   /* screen ke hisaab se auto fit */
    padding: 10px;
  }
  .Calculator input {
    height: 45px;
    font-size: 1rem;
  }
  .Calculator button {
    width: 22%;   /* chaar buttons ek line me fit ho jaye */
    height: 55px;
    font-size: 1rem;
    margin: 3px;
  }
}/* 🔹 Tablet screens (max-width: 768px) */
@media (max-width: 768px) {
  .Calculator {
    width: 280px;
    padding: 15px;
  }
  .Calculator input {
    height: 50px;
    font-size: 1.2rem;
  }
  .Calculator button {
    width: 60px;
    height: 60px;
    font-size: 1rem;
    margin: 4px;
  }
}

/* 🔹 Mobile screens (max-width: 480px) */
@media (max-width: 480px) {
  .Calculator {
    width: 90%;   /* screen ke hisaab se auto fit */
    padding: 10px;
  }
  .Calculator input {
    height: 45px;
    font-size: 1rem;
  }
  .Calculator button {
    width: 22%;   /* chaar buttons ek line me fit ho jaye */
    height: 55px;
    font-size: 1rem;
    margin: 3px;
  }
}