/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
/* Document
   ========================================================================== */
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 */
html {
  line-height: 1.15;
  /* 1 */
  -webkit-text-size-adjust: 100%;
  /* 2 */ }

/* Sections
   ========================================================================== */
/**
 * Remove the margin in all browsers.
 */
body {
  margin: 0; }

/**
 * Render the `main` element consistently in IE.
 */
main {
  display: block; }

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */
h1 {
  font-size: 2em;
  margin: 0.67em 0; }

/* Grouping content
   ========================================================================== */
/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  -webkit-box-sizing: content-box;
  box-sizing: content-box;
  /* 1 */
  height: 0;
  /* 1 */
  overflow: visible;
  /* 2 */ }

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
pre {
  font-family: monospace, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */ }

/* Text-level semantics
   ========================================================================== */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
  background-color: transparent; }

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  border-bottom: none;
  /* 1 */
  text-decoration: underline;
  /* 2 */
  -webkit-text-decoration: underline dotted;
  text-decoration: underline dotted;
  /* 2 */ }

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: bolder; }

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
  font-family: monospace, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */ }

/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 80%; }

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline; }

sub {
  bottom: -0.25em; }

sup {
  top: -0.5em; }

/* Embedded content
   ========================================================================== */
/**
 * Remove the border on images inside links in IE 10.
 */
img {
  border-style: none; }

/* Forms
   ========================================================================== */
/**
 * 1. Change the font styles in all browsers.
 * 2. Remove the margin in Firefox and Safari.
 */
button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  /* 1 */
  font-size: 100%;
  /* 1 */
  line-height: 1.15;
  /* 1 */
  margin: 0;
  /* 2 */ }

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 */
button,
input {
  /* 1 */
  overflow: visible; }

/**
 * Remove the inheritance of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritance of text transform in Firefox.
 */
button,
select {
  /* 1 */
  text-transform: none; }

/**
 * Correct the inability to style clickable types in iOS and Safari.
 */
button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button; }

/**
 * Remove the inner border and padding in Firefox.
 */
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0; }

/**
 * Restore the focus styles unset by the previous rule.
 */
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
  outline: 1px dotted ButtonText; }

/**
 * Correct the padding in Firefox.
 */
fieldset {
  padding: 0.35em 0.75em 0.625em; }

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */
legend {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  /* 1 */
  color: inherit;
  /* 2 */
  display: table;
  /* 1 */
  max-width: 100%;
  /* 1 */
  padding: 0;
  /* 3 */
  white-space: normal;
  /* 1 */ }

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  vertical-align: baseline; }

/**
 * Remove the default vertical scrollbar in IE 10+.
 */
textarea {
  overflow: auto; }

/**
 * 1. Add the correct box sizing in IE 10.
 * 2. Remove the padding in IE 10.
 */
[type="checkbox"],
[type="radio"] {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */ }

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto; }

/**
 * 1. Correct the odd appearance in Chrome and Safari.
 * 2. Correct the outline style in Safari.
 */
[type="search"] {
  -webkit-appearance: textfield;
  /* 1 */
  outline-offset: -2px;
  /* 2 */ }

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none; }

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Change font properties to `inherit` in Safari.
 */
::-webkit-file-upload-button {
  -webkit-appearance: button;
  /* 1 */
  font: inherit;
  /* 2 */ }

/* Interactive
   ========================================================================== */
/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */
details {
  display: block; }

/*
 * Add the correct display in all browsers.
 */
summary {
  display: list-item; }

/* Misc
   ========================================================================== */
/**
 * Add the correct display in IE 10+.
 */
template {
  display: none; }

/**
 * Add the correct display in IE 10.
 */
[hidden] {
  display: none; }

@font-face {
  font-family: 'digital';
  font-weight: normal;
  font-style: normal;
  src: url("../fonts/digital-7.ttf") format("truetype"); }

@font-face {
  font-family: 'roboto';
  font-weight: normal;
  font-style: normal;
  src: url("../fonts/Roboto-Light.ttf") format("truetype"); }

* {
  -webkit-box-sizing: border-box;
  box-sizing: border-box; }

html, body {
  height: 100%;
  font-size: 16px; }

body {
  position: relative;
  font-family: 'roboto', sans-serif;
  line-height: 1.42;
  color: #fff;
  margin: 0; }

h1 {
  margin: 0;
  font-weight: normal; }

a {
  text-decoration: none; }

li {
  font-size: 3em;
  color: #000; }

.container {
  width: 100vw;
  height: 100vh;
  min-width: 24.8125rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  background-image: url("../img/fon.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed; }

.calc {
  width: 24.8125rem;
  height: 30.625rem;
  background: -webkit-linear-gradient(45deg, #e6e6e6 0%, #fafafa 100%);
  background: -o-linear-gradient(45deg, #e6e6e6 0%, #fafafa 100%);
  background: linear-gradient(45deg, #e6e6e6 0%, #fafafa 100%);
  padding: 0.625rem;
  border-radius: 0.9375rem;
  -webkit-box-shadow: 1px 30px 90px -20px #000;
  box-shadow: 1px 30px 90px -20px #000; }
  .calc__header {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    position: relative; }
  .calc__input {
    width: 23.5625rem;
    height: 4.375rem;
    margin-bottom: 0.9375rem;
    padding: 0px 0.625rem;
    font-family: 'digital';
    font-size: 3.125rem;
    border-radius: 0.375rem;
    background-color: #000;
    color: #fff;
    text-align: right; }
  .calc__model {
    position: absolute;
    left: 0;
    bottom: 0;
    font-size: 1.3rem;
    color: #000;
    font-weight: 700;
    text-shadow: 0px 2px 3px rgba(0, 0, 0, 0.4), 0px 6px 10px rgba(0, 0, 0, 0.1), 0px 16px 20px rgba(0, 0, 0, 0.1); }
  .calc__img {
    width: 3.125rem;
    height: 3.125rem; }
  .calc__btn {
    width: 5.625rem;
    height: 3.75rem;
    font-weight: 700;
    background: #fff;
    background: -webkit-linear-gradient(bottom, #fff, #e8e8e8);
    background: -moz-linear-gradient(bottom, #fff, #e8e8e8);
    background: -webkit-gradient(linear, left bottom, left top, from(#fff), to(#e8e8e8));
    background: -o-linear-gradient(bottom, #fff, #e8e8e8);
    background: linear-gradient(to top, #fff, #e8e8e8);
    font-size: 1.6875rem;
    text-transform: uppercase;
    border: 2px solid #d1d1d1;
    border-radius: 0.9375rem;
    -moz-border-radius: 0.9375rem;
    -webkit-border-radius: 0.9375rem;
    cursor: pointer;
    outline: none; }
    .calc__btn-equal {
      height: 7.8125rem; }
    .calc__btn-null {
      width: 11.375rem; }
    .calc__btn:hover {
      background: #fff;
      background: -moz-linear-gradient(0deg, white 0%, #d8f7ff 60%, #abefff 100%);
      background: -webkit-linear-gradient(0deg, white 0%, #d8f7ff 60%, #abefff 100%);
      background: -webkit-gradient(linear, left bottom, left top, from(white), color-stop(60%, #d8f7ff), to(#abefff));
      background: -webkit-linear-gradient(bottom, white 0%, #d8f7ff 60%, #abefff 100%);
      background: -o-linear-gradient(bottom, white 0%, #d8f7ff 60%, #abefff 100%);
      background: linear-gradient(0deg, white 0%, #d8f7ff 60%, #abefff 100%);
      -webkit-box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.3);
      box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.3); }
    .calc__btn-clear:hover {
      background: white;
      background: -moz-linear-gradient(0deg, white 0%, #ffd4d4 60%, #ffa8a8 100%);
      background: -webkit-linear-gradient(0deg, white 0%, #ffd4d4 60%, #ffa8a8 100%);
      background: -webkit-gradient(linear, left bottom, left top, from(white), color-stop(60%, #ffd4d4), to(#ffa8a8));
      background: -webkit-linear-gradient(bottom, white 0%, #ffd4d4 60%, #ffa8a8 100%);
      background: -o-linear-gradient(bottom, white 0%, #ffd4d4 60%, #ffa8a8 100%);
      background: linear-gradient(0deg, white 0%, #ffd4d4 60%, #ffa8a8 100%); }
    .calc__btn:active {
      -webkit-box-shadow: 0 1px 1px rgba(255, 255, 255, 0.5), inset 0 1px 4px rgba(0, 0, 100, 0.5);
      box-shadow: 0 1px 1px rgba(255, 255, 255, 0.5), inset 0 1px 4px rgba(0, 0, 100, 0.5); }