Bootstrap 4.0 > Utilities > 1/4 by : Brad Traversy

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Thu Mar 18 2021 03:38:32 GMT+0000 (Coordinated Universal Time)

Saved by @jpannu #css #bootstrap

             /*      Utilities             */

/* Break points for Grid */          

Extra small  <576px	
Small        ≥576px
Medium       ≥ 768px	
Large        ≥992px	
Extra large  ≥1200px

/* Basic Typography  */
/* HEADINGS */
<h4>Heading Four</h4>
<h5 class="h1">Heading Five</h5>  /* Biggest size  */
<h6>Heading Six</h6>

/* DISPLAY CLASSES */ 
<h1 class="display-1">Display 1</h1>
<h1>Display 2</h1>
<h1>Display 3</h1>
<h1 class="display-4">Display 4</h1>


/* PARAGRAPHS */ 
<!-- LEAD -->
<p class="lead">Loremdita eum,quaerat, vitae dolorum, dolor autem reiciendis                 sapiente.</p>
<!-- MONOSPACE PARAGRAPH -->
<p class="text-monospace">My monospace paragraph</p>


/* STYLE CLASSES */
<p class="font-weight-bold">Bold Text</p>
<p class="font-weight-normal">Normal Text</p>
<p class="font-italic">Italic Text</pA>

/* TEXT TRANSFORMS */
<p class="text-lowercase">MAKE LOWERCASE</p>
<p class="text-uppercase">make uppercase</p>
<p class="text-capitalize">make capitalized</p>

/* BLOCKQUOTES */ 
<blockquote class="blockquote">
<p>This is a blockquote</p>
</blockquote>

<!-- BLOCKQUOTE RIGHT ALIGNED -->
<blockquote class="blockquote text-right">
<p>This is a blockquote aligned right</p>
</blockquote>

<!-- BLOCKQUOTE WITH FOOTER -->
<blockquote>
<footer class="blockquote-footer">Someone famous here.
</footer>


/* LISTS */ 
<ul class="list-unstyled">
<li>Lorem ipsum dolor sit amet.</li>
<li>Lorem ipsum dolor sit amet.</li>
<li>Lorem ipsum dolor sit amet.</li>
<li>Lorem ipsum dolor sit amet.</li>
</ul>

<!-- INLINE LIST -->
<ul class="list-inline">
<li class="list-inline-item">Lorem ipsum</li>
<li class="list-inline-item">Lorem ipsum</li>
<li class="list-inline-item">Lorem ipsum</li>
</ul>
/* -----------------------------XX---------------- */

    /*      Text-align and display    */

<!-- ALIGNMENT -->
<p class="text-left">Text aligned left</p>
<p class="text-center">Text aligned center</p>
<p class="text-right">Text aligned right</p>

<!-- RESPONSIVE ALIGN -->
<p class="text-sm-right">Right aligned on small or larger</p>
<p class="text-lg-right">Right aligned on large or larger</p>
<p class="text-xl-right">Right aligned on xl or larger</p>

<p class="text-sm-left">Left aligned text on small or larger</p>
<p class="text-md-left">Left aligned text on medium or larger</p>
<p class="text-lg-left">Left aligned text on large or wider</p>
<p class="text-xl-left">Left aligned text on extra large or wider</p>

<p class="text-sm-center">Center aligned text on small or larger</p>
<p class="text-md-center">Center aligned text on medium or larger</p>
<p class="text-lg-center">Center aligned text on large or wider</p>
<p class="text-xl-center">Center aligned text on extra large or wider</p>

<!-- VERTICAL ALIGNMENT -->
<span class="align-baseline">baseline</span>
<span class="align-top">top</span>
<span class="align-bottom">bottom</span>
<span class="align-middle">middle</span>
<span class="align-text-top">text-top</span>
<span class="align-text-bottom">text-bottom</span>

<!-- TURN BLOCK TO INLINE -->
<h1 class="d-inline">Hello</h1>
<h1 class="d-inline">Goodbye</h1>

<!-- TURN INLINE TO BLOCK -->
<span class="d-block bg-primary">Block</span>

<!-- INLINE BLOCK -->
<div class="d-inline-block bg-primary">
<h3 class=''>Hello</h3>
This is inline
</div>
<div  class="d-inline-block bg-warning">
<h3 class=''>Hello</h3>
This is inline
</div>
/* -----------------------------XX--------------------- */

/*       Floats & Fixed Positions   */

<!-- FLOATS -->
<div class="float-left">Float left</div>
<br>
<div class="float-right">Float right</div>
<br>
<div class="float-none">Float none</div>
<br>

<!-- RESPONSIVE FLOATS -->
<div class="float-sm-right">Float right on small or wider</div>
<br>
<div class="float-md-right">Float right on medium or wider</div>
<br>
<div class="float-lg-right">Float right on large or wider</div>
<br>
<div class="float-xl-right">Float right on extra large or wider</div>
<br>

<div class="float-sm-left">Float left on small or wider</div>
<br>
<div class="float-md-left">Float left on medium or wider</div>
<br>
<div class="float-lg-left">Float left on large or wider</div>
<br>
<div class="float-xl-left">Float left on extra large or wider</div>
<br>

<div class="float-sm-none">Float none on small or wider</div>
<br>
<div class="float-md-none">Float none on medium or wider</div>
<br>
<div class="float-lg-none">Float none on large or wider</div>
<br>
<div class="float-xl-none">Float none on extra large or wider</div>
<br>

<br>
<br>

<!-- CLEARFIX -->
<div class="bg-success clearfix">
<button class="float-left">Float Left</button>
<button class="float-right">Float Right</button>
</div>

<!-- FIXED TOP -->
<h3 class="fixed-top">Fixed Top</h3>

<!-- FIXED STICKY -->
<h3 class="sticky-top bg-success">Sticky</h3>

<!-- FIXED BOTTOM -->
<h3 class="fixed-bottom">Fixed Bottom</h3>


     /* Colors & Background */

<!-- TEXT COLORS -->
<p class="text-primary">Text Primary Color</p>
<p class="text-secondary">Text Secondary Color</p>
<p class="text-success">Text Success Color</p>
<p class="text-info">Text Info Color</p>
<p class="text-warning">Text Warning Color</p>
<p class="text-danger">Text Danger Color</p>
<p class="text-light">Text Light Color</p>
<p class="text-dark">Text Dark Color</p>
<p class="text-white">Text White Color</p>
<p class="text-muted">Text Muted</p>
<p class="text-black-50">Text Black 50</p>
<p class="text-white-50 bg-primary">Text White 50</p>

<br>
<br>

<!-- BACKGROUND COLORS -->
<div class="bg-primary">Background Primary Color</div>
<div class="bg-secondary">Background Secondary Color</div>
<div class="bg-success">Background Success Color</div>
<div class="bg-info">Background Info Color</div>
<div class="bg-warning">Background Warning Color</div>
<div class="bg-danger">Background Danger Color</div>
<div class="bg-light">Background Light Color</div>
<div class="bg-dark">Background Dark Color</div>
<div class="bg-white">Background White Color</div>
<div class="bg-transparent">Background Transparent</div>

<!-- INVISIBLE -->
<p class="invisible">Hello</p>
/* -----------------------------XX--------------------- */
     /*      Spacing               */

Size and Values ( rem ):
0 : 0
1 : .25rem
2 : .5rem
3 : 1rem
4 : 1.25rem
5 : 3rem

x - for classes that set both *-left and *-right
y - for classes that set both *-top and *-bottom


  <!-- MB MARGIN BOTTOM -->
        <h1 class="bg-success mb-0">Margin Bottom 0</h1>
        <h1 class="bg-success mb-1">Margin Bottom 1</h1>
        <h1 class="bg-success mb-2">Margin Bottom 2</h1>
        <h1 class="bg-success mb-3">Margin Bottom 3</h1>
        <h1 class="bg-success mb-4">Margin Bottom 4</h1>
        <h1 class="bg-success mb-5">Margin Bottom 5</h1>

        <br>
        <br>

        <!-- MT MARGIN TOP -->
        <h1 class="bg-success mt-0">Margin Top 0</h1>
        <h1 class="bg-success mt-1">Margin Top 1</h1>
        <h1 class="bg-success mt-2">Margin Top 2</h1>
        <h1 class="bg-success mt-3">Margin Top 3</h1>
        <h1 class="bg-success mt-4">Margin Top 4</h1>
        <h1 class="bg-success mt-5">Margin Top 5</h1>

        <br>
        <br>

        <!-- ML & MR -->
        <p>
            <span class="bg-success mr-5">Margin Right 5</span> dolor sit amet,
            <span class="bg-success ml-3">Margin Left 3 </span> 
        </p>

        <br>
        <br>

        <!-- MX MARGIN LEFT RIGHT -->
        <p>Lorem ipsum
            <span class="bg-success mx-5">Margin Left & Right 5</span>
        </p>

        <br>
        <br>

        <!-- MY  MARGIN TOP BOTTOM -->
        <p class="bg-success my-5">Margin Top & Bottom 5</p>

        <br>
        <br>

        <!-- BLANK - ALL SIDES -->
        <p class="bg-success m-5">Margin All Sides 5</p>

        <br>
        <br>

        <!-- PB PADDING BOTTOM -->
        <h1 class="bg-warning p-0">Padding Bottom 0</h1>
        <h1 class="bg-warning pb-1">Padding Bottom 1</h1>
        <h1 class="bg-warning pb-2">Padding Bottom 2</h1>
        <h1 class="bg-warning pb-3">Padding Bottom 3</h1>
        <h1 class="bg-warning pb-4">Padding Bottom 4</h1>
        <h1 class="bg-warning pb-5">Padding Bottom 5</h1>

        <br>
        <br>

        <!-- PT PADDING TOP -->
        <h1 class="bg-warning pt-0">Padding Top 0</h1>
        <h1 class="bg-warning pt-1">Padding Top 1</h1>
        <h1 class="bg-warning pt-2">Padding Top 2</h1>
        <h1 class="bg-warning pt-3">Padding Top 3</h1>
        <h1 class="bg-warning pt-4">Padding Top 4</h1>
        <h1 class="bg-warning pt-5">Padding Top 5</h1>

        <br>
        <br>

        <!-- PL & PR -->
        <p>
            <span class="bg-warning pr-5">Padding Right 5</span>                              <span class="bg-warning pl-3">Padding Left 3 </span>
        </p>

        <br>
        <br>

        <!-- PX PADDING LEFT RIGHT -->
        <p>Lorem ipsum
            <span class="bg-warning pl-5 pr-5">Padding Left & Right 5</span>
        </p>

        <br>
        <br>

        <!-- PY  PADDING TOP BOTTOM -->
        <p class="bg-warning pt-5 pb-5">Padding Top & Bottom 5</p>

        <br>
        <br>

        <!-- ALL SIDES -->
        <p class="bg-warning p-5">Padding All Sides 5</p>

        <!-- HORIZONTAL CENTERING -->
        <div class="bg-info mx-auto" style="width: 200px;">
            Horizontal Centering
        </div>
          /* -----------------------------XX----------------- */
              
                       /*        Sizing & Borders         */
 <!-- WIDTH CLASSES -->
        <div class="w-25    bg-success  p-3">Width 25%</div>
        <div class="w-50    bg-success  p-3">Width 50%</div>
        <div class="w-75    bg-success  p-3">Width 75%</div>
        <div class="w-100   bg-success  p-3">Width 100%</div>
        <div class="w-auto  bg-success  p-3">Width Auto</div>

        <br>
        <br>

        <!-- HEIGHT CLASSES -->
        <div style="height: 200px;border : 1px solid black">
            <div class="h-25 bg-primary d-inline-block">Height 25%</div>
            <div class="h-50 bg-primary d-inline-block">Height 50%</div>
            <div class="h-75 bg-primary d-inline-block">Height 75%</div>
            <div class="h-100 bg-primary d-inline-block">Height 100%</div>
            <div class="h-auto bg-primary d-inline-block">Height Auto</div>
        </div>

        <br>
        <br>

        <!-- BORDERS -->
        <div class="border p-3 mb-2 bg-light">Regular</div>
        <div class="border-top b1 p-3 mb-2 bg-light">Border Top</div>
        <div class="border-bottom p-3 mb-2 bg-light">Border Bottom</div>
        <div class="border-right p-3 mb-2 bg-light">Border Right</div>
        <div class="border-left p-3 mb-2 bg-light">Border Left</div>

        <br>
        <br>

        <!-- BORDER COLORS -->
        <div class="border border-primary p-3 mb-2 bg-light">Primary</div>
        <div class="border border-secondary p-3 mb-2 bg-light">Secondary</div>
        <div class="border border-success p-3 mb-2 bg-light">Success</div>
        <div class="border border-info p-3 mb-2 bg-light">Info</div>
        <div class="border border-warning p-3 mb-2 bg-light">Warning</div>
        <div class="border border-danger p-3 mb-2 bg-light">Danger</div>
        <div class="border border-light p-3 mb-2 bg-light">Light</div>
        <div class="border border-dark p-3 mb-2 bg-light">Dark</div>
        <div class="border border-white p-3 mb-2 bg-light">White</div>

        <br>
        <br>

        <!-- BORDER RADIUS -->
        <div class="border rounded p-3 mb-2 bg-light">Rounded</div>
        <div class="border rounded-top p-3 mb-2 bg-light">Rounded Top</div>
        <div class="border rounded-bottom p-3 mb-2 bg-light">Rounded Bottom</div>
        <div class="border rounded-right p-3 mb-2 bg-light">Rounded Right</div>
        <div class="border rounded-left p-3 mb-2 bg-light">Rounded Left</div>
        <div class="border rounded-circle w-25 p-3 mb-2 bg-light">Rounded Circle</div>
        <div class="border rounded-0 p-3 mb-2 bg-light">Dark</div>

       /* -----------------------------XX---------------------- */
                  /*      Custom Breakpoints           */

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A Modern CSS Reset - Piccalilli

/* Box sizing rules */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role='list'],
ol[role='list'] {
  list-style: none;
}

/* Set core root defaults */
html:focus-within {
  scroll-behavior: smooth;
}

/* Set core body defaults */
body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
  text-decoration-skip-ink: auto;
}

/* Make images easier to work with */
img,
picture {
  max-width: 100%;
  display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
  font: inherit;
}

/* Remove all animations, transitions and smooth scroll for people that prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
   scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

#html #jquery #css #navbar

Underline active navbar link

// in css:
/* Display line under clicked navbar link */
.active {
  text-decoration-line: underline !important;
  text-decoration-thickness: 2px !important;
  color: rgb(20, 19, 19);
}

//in html: 
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

    <script>
      $(document).ready(function () {
        // Underline to remain in navbar after click using URL
        jQuery(function ($) {
          var path = window.location.href; // because the 'href' property of the DOM element is the absolute path
          $('.nav-link').each(function () {
            if (this.href === path) {
              $(this).addClass('active');
            }
          });
        });
      });
    </script>

//Note class in link should be nav-link

Firefox CSS backdrop-filter workaround

/* slightly transparent fallback */
.backdrop-blur {
  background-color: rgba(255, 255, 255, .9);
}

/* if backdrop support: very transparent and blurred */
@supports ((-webkit-backdrop-filter: blur(2em)) or (backdrop-filter: blur(2em))) {
  .backdrop-blur {
    background-color: rgba(255, 255, 255, .5);
    -webkit-backdrop-filter: blur(2em);
    backdrop-filter: blur(2em);
  }
}

Background Image That Doesn't Scroll on Webpage

body{
    background-image: url("img_tree.gif");
    background-repeat: no-repeat;
    background-attachment: fixed;
}

slick slider dots sliding

#banner .slick-dots {
	display: flex;
	position: absolute;
	left: 50%;
	bottom: 30px;
	transform: translateX(-50%);
}

#banner .slick-dots li button {
	font-size: 0;
	width: 16px;
	height: 16px;
	border: 1px solid #fff;
	background: transparent;
	border-radius: 50%;
	margin: 0 5px;
}

#banner .slick-dots li.slick-active button {
	width: 20px;
	height: 20px;
	background: var(--hover);
	border-color: var(--hover);
}

#javascript #eventos #mouse #css #html

mover un elemento junto al mouse, dentro de un div (eventos de mouse)

let hijo = document.querySelector('.hijo');
let etiqueta = document.querySelectorAll('.etiqueta');
//El metodo .getBoundingClientRect() nos da 
//la posicion de un elemento con respecto al viewport(en numeros).
// tomare la posicion constante del elemento .hijo 
const coords = hijo.getBoundingClientRect();
const j = coords.top; // estamos obteniendo la posicion top en numero
const k = coords.left;

// se aplica forEach para obtener posicion de cada movimiento del mouse
etiqueta.forEach(link => {
// se obtiene la posicion del mouse con la funcion  mover(e)
    function mover(e){
// se calcula la posicion top y left del mouse al cual le restamos
// la posicion del elemento "hijo"; resultado: mouse e "hijo" juntos 
	 let m = e.pageY ;
	 let n = e.pageX ;

	 let t = m - j;
	 let l = n - k;
	 hijo.style.top = t + "px"; // agregando px a los numeros
	 hijo.style.left = l + "px";
    };
// mouseover dice que entro en elemento etiqueta
    link.addEventListener("mouseover",() => {
	hijo.classList.add("edd1");// solo agrega un class que le da color red

	 window.addEventListener("mousemove",mover);// agrega el evento junto a la funcion 
    });

    link.addEventListener("mouseleave",() => {// mouseleave dice que salio del elemento etiqueta
	hijo.classList.remove("edd1"); // le quita un class, que le quita color red
	 window.removeEventListener("mousemove", mover);// remuev el evento
    });
});

/* Simples estilos para delimitar los div*/
.box{
width: 300px;
height: 300px;
border: solid 1px black;
}
.etiqueta{
width:100px;
height:100px;
position: absolute;
left:50px;
top:50px;
background: green;
overflow: hidden;
position:relative;
}
.hijo{
position: absolute;
width: 20px;
height: 20px;
border-radius: 50%;
background-color: blue;
transform: scale(0); /*desaparece el elemento hijo*/
}
.edd1{
background-color: red;
transform: scale(1); /*reaparece el elemento hijo con el mause al centro*/
} 

// un ejemplo con html
<div class="box">
  <div class="etiqueta">
  <div class="hijo"></div>
  </div>
</div>

Header JavaScript

const header = document.querySelector('header');
let lastScroll = 0;
const scrollThreshold = 10; 

window.addEventListener('scroll', () => {
    const currentScroll = window.scrollY;

    if (currentScroll > lastScroll && currentScroll > scrollThreshold) {
        header.classList.add('small');
    } else if (currentScroll === 0) {
        header.classList.remove('small');
    }

    lastScroll = currentScroll;
});

const hamburger = document.querySelector(".hamburger");
const navmenu = document.querySelector(".nav-menu");

hamburger.addEventListener("click", () => {
    hamburger.classList.toggle("active");
    navmenu.classList.toggle("active");
});

document.querySelectorAll(".nav-link").forEach(n => n.addEventListener("click", () => {
    hamburger.classList.remove("active");
    navmenu.classList.remove("active");
}));

Add a Mask in CSS

img {
  mask-image: url(‘mask.png’) linear-gradient(-45deg,
                        rgba(0,0,0,1) 20%, rgba(0,0,0,0) 50%);
  mask-image: url(#masking); /*referencing to the element generated and defined in SVG code*/
}

Make a circle with just CSS

<style>

 .circle:before {
                    content: ' \25CF';
                    font-size: 50px;
                    color: black;
                }
</style>

<span class="circle"></span>

CSS Grid Layout - CSS: Cascading Style Sheets | MDN

.wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 10px;
  grid-auto-rows: minmax(100px, auto);
}
.one {
  grid-column: 1 / 3;
  grid-row: 1;
}
.two { 
  grid-column: 2 / 4;
  grid-row: 1 / 3;
}
.three {
  grid-column: 1;
  grid-row: 2 / 5;
}
.four {
  grid-column: 3;
  grid-row: 3;
}
.five {
  grid-column: 2;
  grid-row: 4;
}
.six {
  grid-column: 3;
  grid-row: 4;
}

.c-hero__title {
  max-width: 36rem;
  text-wrap: balance;
}

#css #webdev #text

How to "truncate" long strings with an ellipsis (...) for text that overflows its container

.truncate {
  width: 250px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

Text Rotation in CSS

 .rotate {

  transform: rotate(-90deg);


  /* Legacy vendor prefixes that you probably don

Centering Things with CSS Auto Margin

.box-one {
	width: 100px;
	margin: 0 auto;
}

.box-two {
	width: 100px;
	margin-left: auto;
    margin-right: auto;
}

/*EX:.container {
    padding: 0 15px;
// 576px window width and more
    @include sm {
        padding: 0 20px;
    }
// 992px window width and more
    @include lg {
        margin-left: auto;
        margin-right: auto;
        max-width: 1100px;
    } */

// Small tablets and large smartphones (landscape view)
$screen-sm-min: 576px;

// Small tablets (portrait view)
$screen-md-min: 768px;

// Tablets and small desktops
$screen-lg-min: 992px;

// Large tablets and desktops
$screen-xl-min: 1200px;


// Small devices
@mixin sm {
   @media (min-width: #{$screen-sm-min}) {
       @content;
   }
}

// Medium devices
@mixin md {
   @media (min-width: #{$screen-md-min}) {
       @content;
   }
}

// Large devices
@mixin lg {
   @media (min-width: #{$screen-lg-min}) {
       @content;
   }
}

// Extra large devices
@mixin xl {
   @media (min-width: #{$screen-xl-min}) {
       @content;
   }
}

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