:root {
    --first-color: #F6F6F6;
    --second-color: #424242;
}

body {
    background-color: var(--second-color);
}

.container {
    height: 100vh;
    display: flex;
    justify-content: center;
    /* align-items: center; */
}

.main {
    background-color: var(--first-color);
    max-width: 500px;
    padding: 10px;
}

.btn {
    border: none !important;
    font-size: 30px;
    background-color: var(--first-color);
    color: var(--second-color);
    box-shadow: -2px -1px 5px 0px rgb(255 255 255 / 54%), 4px 7px 11px 0px rgb(0 0 0 / 54%);
    min-width: fit-content;
}

.btn:active {
    color: none !important;
    border: none !important;
    box-shadow: inset rgb(0 0 0 / 54%) 1px -1px 13px 0px;
}

.btn:hover {
    color: none !important;
}

.btn:focus-visible {
    color: var(--second-color) !important;
    box-shadow: inset rgb(0 0 0 / 54%) 1px -1px 13px 0px;
}

.btn i {
    color: var(--second-color);
}

.zero button {
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
}

input {
    color: var(--second-color);
    background-color: transparent;
    border: none;
    border-radius: 50px;
    -webkit-border-radius: 50px;
    -moz-border-radius: 50px;
    -ms-border-radius: 50px;
    -o-border-radius: 50px;
}

/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    appearance: none;
    margin: 0;
}

/* Firefox */
input[type=number] {
    appearance: textfield;
}

#prevNum {
    font-size: 15px !important;

}

#currNum {
    box-shadow: inset rgb(0 0 0 / 54%) 1px -1px 13px 0px;
    font-size: 72px !important;
    direction: ltr1;
}

#currNum:focus-visible {
    outline: none;

}

/* offcanvas */

.offcanvas-body ul li {
    margin: 20px;
}

.form-switch .form-check-input {
    height: 30px;
    width: 60px;
    margin-right: 0px;
}

.form-switch {
    padding-left: 0px;
}