*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'poppins',sans-serif;
   
}

.container{
    width: 100%;
    height: 100vh;
    background:#e3f9ff;
    display: flex;
    align-items: center;
    justify-content: center;
}
h2{
    padding-top: 50px;
    background:#e3f9ff;
}

.calculator{
    background: #3a4452;
    padding: 20px;
    border-radius: 10px;
}

.calculator form input{
    border: 0;
    outline: 0;
    height: 60px;
    width: 60px;
    border-radius: 10px;
    box-shadow: -8px -8px 15px rgba(255, 255, 255,0.1),5px 5px 15px  rgba(0, 0, 0, 0.2);
    background: transparent;
    font-size: 20px;
    color: #fff;
    cursor: pointer;
    margin: 10px;
}

form  .display{
    display: flex;
    justify-content: flex-end;
    margin: 20px 0;
    border: 2px solid peru;
    border-radius: 3px;
}

form  .display input{
    text-align: right;
    flex: 1;
    font-size: 45px;
    box-shadow: none;
}

form input.equal{
    width: 150px;
  
}


 form  input.operator{
    color:darkkhaki;

}