JSFiddle - React, Tailwind, and code Playground
by Anton
HTML
<header id="masthead">
<div id="test-div">Test</div>
</header>
CSS
#masthead {
-webkit-background-clip: border-box;
-webkit-background-origin: padding-box;
-webkit-background-size: auto;
background-attachment: scroll;
background-clip: border-box;
background-color: rgba(0, 0, 0, 0);
background-image: linear-gradient(rgb(235, 234, 235) 0%, rgb(239, 239, 240) 32%, rgb(205, 206, 207) 100%);
background-origin: padding-box;
background-size: auto;
border-bottom-color: rgb(153, 155, 157);
border-bottom-style: solid;
border-bottom-width: 4px;
border-image-outset: 0px;
border-image-repeat: stretch;
border-image-slice: 100%;
border-image-source: none;
border-image-width: 1;
border-left-color: rgb(68, 68, 68);
border-left-style: none;
border-left-width: 0px;
border-right-color: rgb(68, 68, 68);
border-right-style: none;
border-right-width: 0px;
border-top-color: rgb(68, 68, 68);
border-top-style: none;
border-top-width: 0px;
color: rgb(68, 68, 68);
display: block;
font-family: Calibri, Candara, Segoe, 'Segoe UI', Optima, Arial, sans-serif;
font-size: 14px;
height: 63px;
line-height: 19px;
margin-bottom: 0px;
margin-left: 0px;
margin-right: 0px;
margin-top: 0px;
max-width: 100%;
padding-bottom: 0px;
padding-left: 0px;
padding-right: 0px;
padding-top: 0px;
position: fixed;
text-align: center;
top: 28px;
vertical-align: baseline;
width: 1263px;
z-index: 200;
}
#test-div {
position: absolute;
background-color: rgba(0,0,80,0.3);
height: 200px;
width: 50px;
top: 20px;
left: 30px;
}