Forgot to download normalizes.css file

Here you go normalize css file:

Or just go to he one of the vido and there should be normalice css in the project file or just searchit in googe heres the llink: https://github.com/necolas/normalize.css/

Anddown you got it written

*! normalize.css v3.0.1 | MIT License | git.io/normalize */

/**

• 1. Set default font family to sans-serif.
• 2. Prevent iOS text size adjust after orientation change, without disabling
• user zoom. */

html { font-family: sans-serif; /* 1 / -ms-text-size-adjust: 100%; / 2 / -webkit-text-size-adjust: 100%; / 2 */ }

/**

• Remove default margin. */

body { margin: 0; }

/* HTML5 display definitions ========================================================================== */

/**

• Correct block display not defined for any HTML5 element in IE 8/9.
• Correct block display not defined for details or summary in IE 10/11 and Firefox.
• Correct block display not defined for main in IE 11. */

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

/**

• 1. Correct inline-block display not defined in IE 8/9.
• 2. Normalize vertical alignment of progress in Chrome, Firefox, and Opera. */

audio, canvas, progress, video { display: inline-block; /* 1 / vertical-align: baseline; / 2 */ }

/**

• Prevent modern browsers from displaying audio without controls.
• Remove excess height in iOS 5 devices. */

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

/**

• Address [hidden] styling not present in IE 8/9/10.
• Hide the template element in IE 8/9/11, Safari, and Firefox < 22. */

[hidden], template { display: none; }

/* Links ========================================================================== */

/**

• Remove the gray background color from active links in IE 10. */

a { background: transparent; }

/**

• Improve readability when focused and also mouse hovered in all browsers. */

a:active, a:hover { outline: 0; }

/* Text-level semantics ========================================================================== */

/**

• Address styling not present in IE 8/9/10/11, Safari, and Chrome. */

abbr[title] { border-bottom: 1px dotted; }

/**

• Address style set to bolder in Firefox 4+, Safari, and Chrome. */

b, strong { font-weight: bold; }

/**

• Address styling not present in Safari and Chrome. */

dfn { font-style: italic; }

/**

• Address variable h1 font-size and margin within section and article
• contexts in Firefox 4+, Safari, and Chrome. */

h1 { font-size: 2em; margin: 0.67em 0; }

/**

• Address styling not present in IE 8/9. */

mark { background: #ff0; color: #000; }

/**

• Address inconsistent and variable font size in all browsers. */

small { font-size: 80%; }

/**

• Prevent sub and sup affecting line-height in all browsers. */

sub, sup { font-size: 75%; line-height: 0; position: relative; vertical-align: baseline; }

sup { top: -0.5em; }

sub { bottom: -0.25em; }

/* Embedded content ========================================================================== */

/**

• Remove border when inside a element in IE 8/9/10. */

img { border: 0; }

/**

• Correct overflow not hidden in IE 9/10/11. */

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

/* Grouping content ========================================================================== */

/**

• Address margin not present in IE 8/9 and Safari. */

figure { margin: 1em 40px; }

/**

• Address differences between Firefox and other browsers. */

hr { -moz-box-sizing: content-box; box-sizing: content-box; height: 0; }

/**

• Contain overflow in all browsers. */

pre { overflow: auto; }

/**

• Address odd em-unit font size rendering in all browsers. */

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

/* Forms ========================================================================== */

/**

• Known limitation: by default, Chrome and Safari on OS X allow very limited
• styling of select, unless a border property is set. */

/**

• 1. Correct color not being inherited.
• Known issue: affects color of disabled elements.
• 2. Correct font properties not being inherited.
• 3. Address margins set differently in Firefox 4+, Safari, and Chrome. */

button, input, optgroup, select, textarea { color: inherit; /* 1 / font: inherit; / 2 / margin: 0; / 3 */ }

/**

• Address overflow set to hidden in IE 8/9/10/11. */

button { overflow: visible; }

/**

• Address inconsistent text-transform inheritance for button and select.
• All other form control elements do not inherit text-transform values.
• Correct button style inheritance in Firefox, IE 8/9/10/11, and Opera.
• Correct select style inheritance in Firefox. */

button, select { text-transform: none; }

/**

• 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native audio
• and video controls.
• 2. Correct inability to style clickable input types in iOS.
• 3. Improve usability and consistency of cursor style between image-type
• input and others. */

button, html input[type="button"], /* 1 / input[type="reset"], input[type="submit"] { -webkit-appearance: button; / 2 / cursor: pointer; / 3 */ }

/**

• Re-set default cursor for disabled elements. */

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

/**

• Remove inner padding and border in Firefox 4+. */

button::-moz-focus-inner, input::-moz-focus-inner { border: 0; padding: 0; }

/**

• Address Firefox 4+ setting line-height on input using !important in
• the UA stylesheet. */

input { line-height: normal; }

/**

• It's recommended that you don't attempt to style these elements.
• Firefox's implementation doesn't respect box-sizing, padding, or width. *
• 1. Address box sizing set to content-box in IE 8/9/10.
• 2. Remove excess padding in IE 8/9/10. */

input[type="checkbox"], input[type="radio"] { box-sizing: border-box; /* 1 / padding: 0; / 2 */ }

/**

• Fix the cursor style for Chrome's increment/decrement buttons. For certain
• font-size values of the input, it causes the cursor style of the
• decrement button to change from default to text. */

input[type="number"]::-webkit-inner-spin-button, input[type="number"]::-webkit-outer-spin-button { height: auto; }

/**

• 1. Address appearance set to searchfield in Safari and Chrome.
• 2. Address box-sizing set to border-box in Safari and Chrome
• (include -moz to future-proof). */

input[type="search"] { -webkit-appearance: textfield; /* 1 / -moz-box-sizing: content-box; -webkit-box-sizing: content-box; / 2 */ box-sizing: content-box; }

/**

• Remove inner padding and search cancel button in Safari and Chrome on OS X.
• Safari (but not Chrome) clips the cancel button when the search input has
• padding (and textfield appearance). */

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

/**

• Define consistent border, margin, and padding. */

fieldset { border: 1px solid #c0c0c0; margin: 0 2px; padding: 0.35em 0.625em 0.75em; }

/**

• 1. Correct color not being inherited in IE 8/9/10/11.
• 2. Remove padding so people aren't caught out if they zero out fieldsets. */

legend { border: 0; /* 1 / padding: 0; / 2 */ }

/**

• Remove default vertical scrollbar in IE 8/9/10/11. */

textarea { overflow: auto; }

/**

• Don't inherit the font-weight (applied by a rule above).
• NOTE: the default cannot safely be changed in Chrome and Safari on OS X. */

optgroup { font-weight: bold; }

/* Tables ========================================================================== */

/**

• Remove most spacing between table cells. */

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

td, th { padding: 0; }

thank you Aurelian Spodarec. you helped me a lot