* {
    margin: 0;
    padding: 0;
    font-family: 'Lucida Sans', 'Lucida Sans Regular',
     'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
     box-sizing: border-box;
}
.container {
    width: 100%;
    height: 100vh;
    background-image: url(background.webp);
    display: flex;
    justify-content: center;
    align-items: center;
}
.calculator{
    background:rgb(1, 45, 51);
    padding: 20px;
    border-radius: 10px;
    
}

.calculator form input{
    border: 0;
    outline: 0;
    width: 60px;
    height: 60px;
    border-radius: 10px;
    box-shadow:-8px -8px 15px rgba(67, 173, 208, 0.1),
     5px 5px 15px rgba(16, 193, 179, 0.1) ;
    background: rgb(1, 45, 51);
    color: white;
    cursor: pointer;
    margin: 10px;
    font-weight: bold;
    font-size: 20px;
    
}

form .display{
    
    display: flex;
    justify-content: flex-end;
    margin: 20px 0;
}

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

form input.equal{
    width: 145px;
    background-color: orangered;
}

form input.orange{
    color: orangered;
}

h1{
    position: relative;
    bottom: 320px;
    left: 280px;
    font-size: 40px;
    color: orangered;
}