body {
    background-color: ghostwhite;
}

.main-container {
    /* border: 1px solid gray; */
    box-shadow: 0px 4px 8px 0px lightgrey;
    width: 265px;
    height: 440px;
    margin: 40px auto;
    border-radius: 8px;
    overflow: hidden;
    box-sizing: border-box;
    /* background-color: white; */
    
}

.display-screen {
    /* border: 1px solid black; */
    background-color: whitesmoke;
    height: 175px;
    justify-content: end;
}

input {
    text-align: end;
    margin: 100px 2px;
    font-size: large;
    padding: 0px 8px;
    width: 100%;
    border: none;
    font-weight: bold;
    background-color: transparent;
    box-sizing: border-box;
}

input:focus {
    outline: none;
}

.keypad {
    height: 100%;
    background-color: white;
    text-align: center;
}

button {
    height: 40px;
    width: 40px;
    margin: 5px 8px;
    justify-content: center;
    cursor: pointer;
}

i {
    cursor: pointer;
}

.dark-mode {
    background-color: midnightblue;
}

.btn-dark-mode {
    color: white;
}
.btn-dark-mode:hover{
    color: lightblue;
}