javascript_practice/hw07/index.css

html {
    box-sizing: border-box;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    -webkit-overflow-scrolling: touch;
}

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, menu, nav, output, ruby, section, summary, time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0 none;
}

article, aside, details, figcaption, figure, footer, header, main, menu, nav, section, summary {
    display: block;
}

audio,
canvas,
progress,
video {
    display: inline-block;
}

audio:not([controls]) {
    display: none;
    height: 0;
}

a {
    background-color: transparent;
}

abbr[title] {
    border-bottom: none;
    text-decoration: underline;
    text-decoration: underline dotted;
}

b,
strong {
    font-weight: bolder;
}

dfn {
    font-style: italic;
}

mark {
    background-color: #ffff00;
    color: #000000;
}

svg:not(:root) {
    overflow: hidden;
}

code,
kbd,
pre,
samp {
    font-family: monospace, monospace;
    font-size: 1em;
}

hr {
    box-sizing: content-box;
    height: 0;
    overflow: visible;
}

button,
input,
select,
textarea {
    font: inherit;
    margin: 0;
}

button,
input {
    overflow: visible;
}

button,
select {
    text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
}

input,
textarea,
button,
select,
a {
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}

address {
    font-style: normal;
}

a:focus:not(:focus-visible),
select:focus:not(:focus-visible),
input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
    outline: 0
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}

button,
input[type="reset"],
input[type="button"],
input[type="submit"] {
    cursor: pointer;
}

button[disabled],
input[disabled] {
    cursor: default;
}

button {
    appearance: none;
    background: transparent;
    padding: 0;
    border: 0;
    border-radius: 0;
    line-height: 1;
}

button:focus:not(:focus-visible) {
     outline: 0
}

a,
a:hover {
    text-decoration: none;
}

[href="javascript:void();"],
[href="javascript:"] {
    cursor: default;
}

ul,
ol {
    list-style: none;
}

blockquote,
q {
    quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="datetime"],
input[type="datetime-local"],
input[type="email"],
input[type="month"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="time"],
input[type="url"],
input[type="week"],
textarea {
    box-sizing: border-box;
}

[type="checkbox"],
[type="radio"] {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

input[type="search"] {
    -webkit-appearance: textfield;
    outline-offset: -2px;
}

input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button {
    -webkit-appearance: none;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    height: auto;
    -webkit-appearance: none;
}

::-webkit-file-upload-button {
    -webkit-appearance: button;
    font: inherit;
}

input[type="number"] {
    -moz-appearance: textfield;
}

select {
    width: 100%;
    height: 20px;
    border: 0 none;
    background: none;
}

textarea {
    resize: none;
    border: 0 none;
    overflow: auto;
}

::placeholder {
    color: #777777;
    line-height: normal;
}

[hidden] {
    display: none;
}

body {
    margin: 50px;
}

.examoles {
    display: flex;
    width: 100%;
    column-gap: 60px;
}

.table {
    width: 400px;
    height: 400px;
    text-align: center;
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 2px;
}

.table td {
    border: 1px solid #c0bcbc;
    transition: background-color .225s ease;
}

.table tr {
    transition: background-color .225s ease;
}

.calc-form,
.calc-form-live {
    display: grid;
    row-gap: 16px;
    max-width: 400px;
    width: 100%;
    align-self: start;
}

.form__row {
    display: flex;
    flex-direction: column;
}

.form__label {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-size: 16px;
    font-weight: 600;
    padding-top: 12px;
    padding-bottom: 12px;
}

.form__input {
    display: block;
    width: 100%;
    height: 50px;
    padding: 6px 12px;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    appearance: none;
    border-radius: 6px;
    transition: border-color .15s ease-in-out,
                box-shadow .15s ease-in-out;
}

.form__input:focus {
    color: #212529;
    background-color: #fff;
    border-color: #86b7fe;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgb(13 110 253 / 25%);
}

.form__button {
    justify-self: start;
    height: 50px;
    min-width: 200px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    font-size: 16px;
    font-weight: 400;
    color:  rgb(255, 255, 255);
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid #0d6efd;;
    border-radius: 6px;
    background-color: #0d6efd;
    transition: color .15s ease-in-out,
                background-color .15s ease-in-out,
                border-color .15s ease-in-out,
                box-shadow .15s ease-in-out;
}

.form__button:hover {
    background-color: #0d53b0;
}

.form__button:focus {
    color: #fff;
    background-color: #0b5ed7;
    border-color: #0a58ca;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(49,132,253,.5);
}

.alert {
    display: none;
    --bs-alert-bg: transparent;
    --bs-alert-padding-x: 1rem;
    --bs-alert-padding-y: 1rem;
    --bs-alert-margin-bottom: 1rem;
    --bs-alert-color: inherit;
    --bs-alert-border-color: transparent;
    --bs-alert-border: 1px solid var(--bs-alert-border-color);
    --bs-alert-border-radius: 0.375rem;
    position: relative;
    padding: var(--bs-alert-padding-y) var(--bs-alert-padding-x);
    margin-bottom: var(--bs-alert-margin-bottom);
    color: var(--bs-alert-color);
    background-color: var(--bs-alert-bg);
    border: var(--bs-alert-border);
    border-radius: var(--bs-alert-border-radius);
}

.alert-danger {
    --bs-alert-color: #842029;
    --bs-alert-bg: #f8d7da;
    --bs-alert-border-color: #f5c2c7;
}

.alert-success {
    --bs-alert-color: #0f5132;
    --bs-alert-bg: #d1e7dd;
    --bs-alert-border-color: #badbcc;
}