Bootstrap 4.0 > "Grids & Flexbox" > 3/4 by : Brad Traversy

PHOTO

Tue Mar 23 2021 16:30:44 GMT+0000 (Coordinated Universal Time)

Saved by @jpannu #css #bootstrap #html

           /*    Grid System      */
    <!-- RESPONSIVE GRID -->
    <div class="row">
      <div class="col-sm-6 col-md-8 col-lg-9 col-lg-10" style="border:1px solid #333">
        <ul>
          <li>6 column on small screens</li>
          <li>8 column on medium screen</li>
          <li>9 column on large screen</li>
          <li>10 column on xlarge screen</li>
        </ul>
      </div>
      <div class="col-sm-6 col-md-8 col-lg-9 col-lg-10" style="border:1px solid #333">
        <ul>
          <li>6 column on small screens</li>
          <li>4 column on medium screen</li>
          <li>3 column on large screen</li>
          <li>2 column on xlarge screen</li>
        </ul>
      </div>
    </div>

    <!-- EQUAL WIDTH -->
    <div class="row">
      <div class="col" style="border:1px solid #333">Equal Width</div>
      <div class="col" style="border:1px solid #333">Equal Width</div>
      <div class="col" style="border:1px solid #333">Equal Width</div>
      <div class="col" style="border:1px solid #333">Equal Width</div>
    </div>

    <!-- EQUAL WIDTH MULTI ROW -->
    <div class="row">
      <div class="col" style="border:1px solid #333">Equal Width Multi</div>
      <div class="col" style="border:1px solid #333">Equal Width Multi</div>
      <div class="w-100" style="border:1px solid #333"></div>
      <div class="col" style="border:1px solid #333">Equal Width Multi</div>
      <div class="col" style="border:1px solid #333">Equal Width Multi</div>
    </div>

    <!-- AUTO LAYOUT -->
    <div class="row">
      <div class="col" style="border:1px solid #333">Auto Layout</div>
      <div class="col-6" style="border:1px solid #333">Auto Layout</div>
      <div class="col-4" style="border:1px solid #333">Auto Layout</div>
    </div>

    <!-- EQUAL WIDTH STACKED -->
    <div class="row">
      <div class="col-sm" style="border:1px solid #333">Equal Width Stack</div>
      <div class="col-sm" style="border:1px solid #333">Equal Width Stack</div>
      <div class="col-sm" style="border:1px solid #333">Equal Width Stack</div>
    </div>

    <!-- ORDERING -->
    <div class="row">
      <div class="col order-3" style="border:1px solid #333">
        First
      </div>
      <div class="col order-2" style="border:1px solid #333">
        Second
      </div>
      <div class="col order-1" style="border:1px solid #333">
        Third
      </div>
    </div>

    <!-- OFFSETTING -->
    <div class="row">
      <!-- 6 column div offset by 3 -->
      <div class="col-md-6 offset-md-3" style="border:1px solid #333">.col-md-6 .offset-md-3</div>
    </div>
    <div class="row">
      <!-- 2 4 column divs, the second offset by 4 -->
      <div class="col-md-4" style="border:1px solid #333">.col-md-4</div>
      <div class="col-md-4 offset-md-4" style="border:1px solid #333">.col-md-4 .offset-md-4</div>
    </div>

    <div class="row">
      <!-- 2 3 column divs, both offset by 3 -->
      <div class="col-md-3 offset-md-3" style="border:1px solid #333">.col-md-3 .offset-md-3</div>
      <div class="col-md-3 offset-md-3" style="border:1px solid #333">.col-md-3 .offset-md-3</div>
    </div>

    <!-- NESTING -->
    <div class="row">
      <div class="col-sm-9" style="border:1px solid blue">
        Level 1: .col-sm-9
        <div>
          <div class="col-8 col-sm-6" style="border:1px solid red">
            Level 2: .col-8 .col-sm-6
          </div>
          <div class="col-4 col-sm-6" style="border:1px solid red">
            Level 2: .col-4 .col-sm-6
          </div>
        </div>
      </div>
    </div>

  /* ------------------ XX --------------- */


          /*   Grid Alignment       */
        <!-- VERTICAL ALIGNMENT -->
        <div class="container">
            <div class="row align-items-start" style="height:200px;border:1px #333 solid">
                <div class="col">
                    Top Aligned Text
                </div>
                <div class="col">
                    Top Aligned Text
                </div>
                <div class="col">
                    Top Aligned Text
                </div>
            </div>
            <div class="row  align-items-center" style="height:200px;border:1px #333 solid">
                <div class="col">
                    Middle Aligned Text
                </div>
                <div class="col">
                    Middle Aligned Text
                </div>
                <div class="col">
                    Middle Aligned Text
                </div>
            </div>
            <div class="row  align-items-end" style="height:200px;border:1px #333 solid">
                <div class="col">
                    Bottom Aligned Text
                </div>
                <div class="col">
                    Bottom Aligned Text
                </div>
                <div class="col">
                    Bottom Aligned Text
                </div>
            </div>
        </div>

        <br>
        <br>

        <!-- VERTICAL ALIGN INDIVIDUAL COLS -->
        <div class="container">
            <div class="row" style="height:200px;border:1px #333 solid">
                <div class="col  align-self-start">
                    Top Aligned
                </div>
                <div class="col  align-self-center">
                    Middle Aligned
                </div>
                <div class="col  align-self-end">
                    Bottom Aligned
                </div>
            </div>
        </div>

        <br>
        <br>

        <!-- HORIZONTAL ALIGNED COLS -->
        <div class="container">
            <div class="row justify-content-start" style="height:200px;border:1px #333 solid">
                <div class="col-4">
                    Left Aligned Text
                </div>
                <div class="col-4">
                    Left Aligned Text
                </div>
            </div>
            <div class="row justify-content-center" style="height:200px;border:1px #333 solid">
                <div class="col-4">
                    Center Aligned Text
                </div>
                <div class="col-4">
                    Center Aligned Text
                </div>
            </div>
            <div class="row justify-content-end" style="height:200px;border:1px #333 solid">
                <div class="col-4">
                    Right Aligned Text
                </div>
                <div class="col-4">
                    Right Aligned Text
                </div>
            </div>
            <div class="row justify-content-around" style="height:200px;border:1px #333 solid">
                <div class="col-4">
                    Content Around
                </div>
                <div class="col-4">
                    Content Around
                </div>
            </div>
            <div class="row justify-content-between" style="height:200px;border:1px #333 solid">
                <div class="col-4">
                    Content Between
                </div>
                <div class="col-4">
                    Content Between
                </div>
            </div>
        </div>

        <br>
        <br>

        <!-- COLUMN WRAPPING & NO GUTTERS-->
        <div class="row no-gutters">
            <div class="col-9">
                <div class="card">
                    <div class="card-block">
                        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur, repudiandae!</p>
                    </div>
                </div>
            </div>
            <div class="col-4">
                <div class="card">
                    <div class="card-block">
                        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur, repudiandae!</p>
                    </div>
                </div>
            </div>
            <div class="col-6">
                <div class="card">
                    <div class="card-block">
                        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur, repudiandae!</p>
                    </div>
                </div>
            </div>
        </div>
    </div>


   /* ------------------ XX --------------- */

            /*   Flex   */

    <!-- FLEX ROW & FLEX ITEMS -->
    <div class="d-flex flex-row row-hl">
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- FLEX ROW REVERSE -->
    <div class="d-flex flex-row-reverse row-hl">
      <div class="p-4 item-hl">Flex Item 1</div>
      <div class="p-4 item-hl">Flex Item 2</div>
      <div class="p-4 item-hl">Flex Item 3</div>
    </div>

    <br>
    <br>

    <!-- JUSTIFY CONTENT - CONTENT START -->
    <div class="d-flex row-hl justify-content-start">
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- JUSTIFY CONTENT - CONTENT CENTER -->
    <div  class="d-flex row-hl justify-content-center">
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- JUSTIFY CONTENT - CONTENT END -->
    <div class="d-flex row-hl justify-content-end">
      <div class="p-4 item-hl">Flex Item end</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- JUSTIFY CONTENT - CONTENT AROUND -->
    <div class="d-flex row-hl justify-content-around">
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- JUSTIFY CONTENT - CONTENT BETWEEN -->
    <div  class="d-flex row-hl justify-content-between">
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- FLEX COLUMN -->
    <div class="row-hl d-flex flex-column">
      <div class="p-4 item-hl">Flex Item 11</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- FLEX COLUMN REVERSE -->
    <div class="d-flex flex-column-reverse row-hl">
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- VERTICAL ALIGN ITEMS - START -->
    <div class="row-hl d-flex align-items-start">
      <div class="p-4 item-hl">Flex Item Start</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- VERTICAL ALIGN ITEMS - CENTER -->
    <div class="row-hl d-flex align-items-center">
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- VERTICAL ALIGN ITEMS - END -->
    <div class="row-hl d-flex align-items-end">
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- VERTICAL ALIGN ITEMS - BASELINE -->
    <div class="row-hl d-flex align-items-baseline">
      <div class="p-4 item-hl">Flex Item BASELINE</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- VERTICAL ALIGN ITEMS - STRETCH -->
    <div class="row-hl d-flex align-items-stretch">
      <div class="p-4 item-hl">Flex Item STRETCH</div>
      <div class="p-4 item-hl">Flex Item</div>
      <div class="p-4 item-hl">Flex Item</div>
    </div>

    <br>
    <br>

    <!-- ALIGN SELF -->
    <div class="row-hl d-flex">
      <div class="p-4 item-hl align-self-end">Flex Item End</div>
      <div class="p-4 item-hl align-self-center">Flex Item</div>
      <div class="p-4 item-hl align-self-start">Flex Item</div>
      <div class="p-4 item-hl align-self-baseline">Flex baseline</div>
      <div class="p-4 item-hl align-self-stretch">Flex stretch</div>
    </div>
   /* ------------------ XX --------------- */

          /*  Auto Margins & Wrap     */



        <!-- MR-AUTO -->
        <div class="d-flex row-hl">
            <div class="mr-auto p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
        </div>

        <br>
        <br>

        <!-- ML-AUTO -->
        <div class="d-flex row-hl">
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="ml-auto p-2 item-hl">Flex item</div>
        </div>

        <br>
        <br>

        <!-- MB-AUTO -->
        <div class="d-flex flex-column row-hl">
            <div class="mb-auto p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
        </div>

        <br>
        <br>

        <!-- MT-AUTO -->
        <div class="d-flex flex-column row-hl">
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 mt-auto item-hl">Flex item</div>
        </div>

        <br>
        <br>

        <!-- NO WRAP -->
        <div class="d-flex row-hl">
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>

        </div>

        <br>
        <br>

        <!-- WRAP -->
        <div class="d-flex flex-wrap row-hl">
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
            <div class="p-2 item-hl">Flex item</div>
        </div>

        <br>
        <br>

        <!-- ORDERING -->
        <div class="d-flex row-hl">
            <div class="p-2 order-3 item-hl">First flex item</div>
            <div class="p-2  item-hl">Second flex item</div>
            <div class="p-2 order-1 item-hl">Third flex item</div>
        </div>

     /* ------------------ XX --------------- */

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Full stack developer Masters - Edureka Bootstrap 4.0 > Utilities > 1/4 by : Brad Traversy Bootstrap 4.0 > Utilities > 1/4 by : Brad Traversy Bootstrap 4.0 > "Components" > 2/4 by : Brad Traversy Bootstrap 4.0 > "Components" > 2/4 by : Brad Traversy Bootstrap 4.0 > "Components" > 2/4 by : Brad Traversy Bootstrap 4.0 > "Grids & Flexbox" > 3/4 by : Brad Traversy Bootstrap 4.0 > "Grids & Flexbox" > 3/4 by : Brad Traversy Bootstrap 4.0 > "Javascript Widgets" > 3/4 by : Brad Traversy jQuery : Udemy : Joe Parys Edureka : Angular Edureka : Angular TeamTreeHouse : Js Full stack. Udacity : Front end web developer mySql : Mosh Node JS | Express : Youtube-The Net Ninja SQL : Mosh

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    </nav>
    <section></section>
  </body>
</html>
<!-- DON'T REMOVE CREDITS -->

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);
}

Bootstrap Fixed Floating Buttons

<div class="fixed-action-btn" style="bottom: 45px; right: 24px;">
  <a class="btn-floating btn-lg red">
    <i class="fas fa-pencil-alt"></i>
  </a>

  <ul class="list-unstyled">
    <li><a class="btn-floating red"><i class="fas fa-star"></i></a></li>
    <li><a class="btn-floating yellow darken-1"><i class="fas fa-user"></i></a></li>
    <li><a class="btn-floating green"><i class="fas fa-envelope"></i></a></li>
    <li><a class="btn-floating blue"><i class="fas fa-shopping-cart"></i></a></li>
  </ul>
</div>

#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");
}));

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