JSFiddle - React, Tailwind, and code Playground

HTML

<div id="alert">
    Text goes here!
    <div class="lines"></div>
</div>

CSS

body {
  margin:50px;
}
#alert {
    position:relative;
    padding:10px;
    box-shadow:0px 1px 1px #000,  0px 1px 1px #F5BFB1 inset;

    background: #ea765a; /* Old browsers */
    background: -moz-linear-gradient(top,  #ea765a 0%, #d2583b 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ea765a), color-stop(100%,#d2583b)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top,  #ea765a 0%,#d2583b 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top,  #ea765a 0%,#d2583b 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top,  #ea765a 0%,#d2583b 100%); /* IE10+ */
    background: linear-gradient(to bottom,  #ea765a 0%,#d2583b 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ea765a', endColorstr='#d2583b',GradientType=0 ); /* IE6-9 */
}
.lines {
    position:absolute;
    width:100%;
    height:100%;
    top:0;
    left:0;
    background:url(http://i.imgur.com/oIuK2.png);
    opacity:0.05;
}