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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

              
                <div class="contain">
  <form action="">
    <fieldset>
      <legend>Pick a color:</legend>
      <p>
        <input class="option off-screen" type="radio" name="r" id="option1" />
        <label for="option1"><span class="off-screen">Option 1</span></label>
      </p>
      <p>
        <input class="option off-screen" type="radio" name="r" id="option2" />
        <label for="option2"><span class="off-screen">Option 2</span></label>
      </p>
      <p>
        <input class="option off-screen" type="radio" name="r" id="option3" />
        <label for="option3"><span class="off-screen">Option 3</span></label>
      </p>
      <p>
        <input class="option off-screen" type="radio" name="r" id="option4" />
        <label for="option4"><span class="off-screen">Option 4</span></label>
      </p>
    </fieldset>
  </form>
  <div class="item example-1">
    <header>
      <h1>
          <a href="#">iShadeed</a>
        </h1>
      <form action="">
        <label class="off-screen" for="search">Search for something</label>
        <input id="search" type="text">
      </form>

      <button><span class="off-screen">
          Add Project</span>
            <svg viewBox="0 0 491.86 491.86">
              <path d="M465.17,211.61H280.24V26.69C280.24,18.27,268.81,0,245.93,0s-34.32,18.27-34.32,26.69V211.61H26.69C18.27,211.61,0,223.05,0,245.93s18.27,34.32,26.69,34.32H211.61V465.17c0,8.42,11.44,26.69,34.32,26.69s34.32-18.27,34.32-26.69V280.24H465.17c8.42,0,26.69-11.44,26.69-34.32S473.59,211.61,465.17,211.61Z" transform="translate(0 0)"/>
            </svg>
          </button>
    </header>
  </div>
</div>

<div class="item example-2">
  <div class="contain">
    <a class="category" href="#">Learning</a>
    <h2>This is a title for this awesome blog post</h2>
    <p>And here is the post teaser</p>
  </div>
</div>
              
            
!

CSS

              
                /*...... Demo Styles ........*/
:root {
  --brand-color: #026aa7;
}

.example-1 {
	header {
		display: flex;
		background: #026aa7;
		padding: 1em;

		> *:not(:last-child) {
			margin-right: 1rem !important;
		}
	}

	h1 {
		margin: 0;	
		display: flex;

		a {
			display: inline-block;
			font-size: 1.5rem;
			padding: 0.25rem 0.9rem;
			color: rgba(#000, 0.6);
			text-decoration: none;
			background: rgba(#fff, 0.6);
			border-radius: 5px;
			transition: all 0.4s linear;
			
			&:hover {
				color: #000;
				background: #fff;
				transition: background 0.2s ease-out;
			}
		}
	}

	form {
		display: flex;
		margin-left: auto;
		width: 100%;
		max-width: 400px;
    margin-bottom: 0;
	}

	input {
		appearance: none;
		width: 100%;
		background-color: rgba(#fff, 0.3);
		background-image: url('../img/search.svg');
		background-size: 1.5em 1.5em;
		background-repeat: no-repeat;
		background-position: right 0.65em center;
		font-size: 16px;
		padding: 0.7em 0.5em;
		border-radius: 5px;
		color: #000;
		transition: box-shadow 0.2s ease-out, background 0.2s ease-out;

		&:focus {
			background-color: #fff;
			box-shadow: 0 0 0 3px rgba(#000, 0.25);
			outline: 0;
		}
	}

	button {
		appearance: none;
		font-size: 16px;
		padding: 0.7em 1em;
		border-radius: 5px;
		color: #000;
		background-color: rgba(#fff, 0.3);
		transition: background 0.2s ease-out;
		cursor: pointer;

		svg {
			width: 20px;
			fill: #fff;
			transition: fill 0.2s ease-out;
		}

		&:hover,
		&:focus {
			background: #fff;

			svg {
				fill: #000;
			}
		}

		&:focus {
			outline: 0;
		}
	}
}

.example-2 {
	background: #5aaf4c;
	box-shadow: inset 0 8px 0 0 rgba(255,255,255,.5),inset 0 -8px 0 0 rgba(255,255,255,.5);

	.contain {
		background: rgba(#000, 0.1);
		padding: 2em 1em;
		color: #fff;
	}

	h2 {
		margin: 0;
		margin-bottom: 1rem;
		font-size: 2rem;
	}

	p {
		margin: 0;
	}

	.category {
		display: inline-block;
		padding: 5px 10px;
		background: rgba(#fff, 0.5);
		text-decoration: none;
		color: #000;
		margin-bottom: 0.5rem;	
	}
}

@supports (--var: green) {
  .example-1 header {
    background: var(--brand-color);
  }
  
  .example-2 {
    background: var(--brand-color);
  }
}

/*...... General Styles ........*/

body {
	font-family: 'Arial';
  line-height: 1.4;
}

.contain {
	max-width: 1000px;
	margin-left: auto;
	margin-right: auto;
	padding: 1em;
}

.off-screen {
	position: absolute;
	left: -9999px;
	width: 0;
	height: 0;
}

* {
	box-sizing: border-box;
}

code {
	background: rgba(lightgrey, 0.5);
	display: inline-block;
	padding: 5px;
}

input,
button {
  border: 0;
}

form {
  margin-bottom: 1em;
}

legend {
  font-weight: bold;
  margin-bottom: 10px;
}

p {
  display: inline-block;
  
  label {
    position: relative;
    width: 60px;
    height: 40px;
    display: inline-block;
    background: #000;
    border: 2px solid rgba(#000, 0.25);
  }
}

input:checked + label,
input:focus + label{
  border-width: 6px;
  border-color: rgba(#000, 0.5);
}
              
            
!

JS

              
                var colors = ["#026aa7", "#5aaf4c", "#00bcd4", "#af4c4c"];
var colorOptions = document.querySelectorAll(".option");
var colorLabels = document.querySelectorAll(".option + label");

for(var i = 0; i < colorOptions.length; i++) {
  /* Add an event listener to each radio button */
  colorOptions[i].addEventListener('click', changeColor);
  /* Add a value to each radio button based on colors[] array */
  colorOptions[i].value = colors[i];
  colorLabels[i].style.background = colors[i];
}

function changeColor(e) {
  /* calling the root element and set the value of a specific property. In our case: --brand-color */
  document.documentElement.style.setProperty('--brand-color', e.target.value);
}
              
            
!
999px

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