* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    height: 100vh;
    background-color: rgb(42, 42, 42);
    color: rgb(232, 232, 232);
    padding: 30px 0;
}
main {
    display: flex;
    justify-content: center;
    position: relative;
}

.iphone {
    width: 280px;
    position: absolute;
    bottom: -10px;
}

#calculator {
    display: grid;
    grid-template-columns: 25% 25% 25% 25%;
    grid-template-rows: 4fr 1fr 1fr 1fr 1fr 1fr;
    height: 540px;
    width: 252px;
    background-color: rgb(21, 21, 27);
    padding: 10px;
    border-radius: 34px;
    z-index: 1;
}

#result {
    grid-column: 1/5;
    grid-row: 1/2;
    font-size: 55px;
    display: flex;
    /* justify-content: flex-end; */
    align-items: flex-end;
    padding-left: 10px;
    padding-bottom: 12px;
    overflow: hidden;
    max-width: 100%;
}

#reset {
    grid-column: 1/2;
    grid-row: 2/3;
}
#remove {grid-column: 2/3; grid-row: 2/3;}

#calculus {
    grid-column: 4/5;
    grid-row: 2/7;
}
#equals {grid-row: 6/7;}


main div:not(#result) {
    cursor: pointer; 
    font-size: 20px; 
    border-radius: 50%; 
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: orange;
}

#digit0 {grid-column: 1/3; grid-row: 6/7;}
#digit1 {grid-column: 1/2; grid-row: 5/6;}
#digit2 {grid-column: 2/3; grid-row: 5/6;}
#digit3 {grid-column: 3/4; grid-row: 5/6;}
#digit4 {grid-column: 1/2; grid-row: 4/5;}
#digit5 {grid-column: 2/3; grid-row: 4/5;}
#digit6 {grid-column: 3/4; grid-row: 4/5;}
#digit7 {grid-column: 1/2; grid-row: 3/4;}
#digit8 {grid-column: 2/3; grid-row: 3/4;}
#digit9 {grid-column: 3/4; grid-row: 3/4;}

[id^="digit"], #comma {
    background-color: rgb(96, 97, 100, 0.6) !important;
}
#digit0 {
    width: 100px !important;
}

#comma {grid-column: 3/4; grid-row: 6/7;}

#reset, #remove, #percent {
    background-color: rgb(207, 207, 207) !important;
    color: rgb(21, 21, 27);
}

#info {
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    background-color: orange;
    color: #fff;
    font-style: italic;
    padding: 10px;
    z-index: 2;
}
#info ul {
    list-style: none;
}

#history {
    width: 300px;
    height: 200px;
    background-color: rgb(21, 21, 27);
    padding: 15px;
    overflow: auto;
    border-radius: 30px;
}
h2 {
    text-align: center;
    color: orange;
    margin-bottom: 10px;
}


@media screen and (max-width: 700px) {
    body {
        flex-direction: column;
        gap: 40px;
    }
}