JSFiddle - React, Tailwind, and code Playground

HTML

<div class="block2">
    Почти стандартный вариант
</div>


<div class="block1">
    Слегка извратный и некузявый, но простой вариант
</div>

CSS

div {
    padding: 20px;
}

.block1 {
    margin: 10px;   
    border-radius: 20px;
    box-shadow: 0 1px 0 1px rgba(255,0,0,.5), 0 -1px 0 1px rgba(0,0,255,.5)
}

.block2 {
    margin: 11px;   
    background: #fff;
    position: relative;   
}

.block2:before {
    position: absolute;
    content: '';
    top: -2px;
    left: -2px;
    bottom: -2px;
    right: -2px;
    background: #fcb019; /* Old browsers */
    background: -moz-linear-gradient(top,  #fcb019 0%, #cf0404 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#fcb019), color-stop(100%,#cf0404)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top,  #fcb019 0%,#cf0404 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top,  #fcb019 0%,#cf0404 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top,  #fcb019 0%,#cf0404 100%); /* IE10+ */
    background: linear-gradient(top,  #fcb019 0%,#cf0404 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#fcb019', endColorstr='#cf0404',GradientType=0 ); /* IE6-9 */
    z-index: -1;
}