JSFiddle - React, Tailwind, and code Playground

by Softlink

HTML

<div class="block">не кнопка</div>

CSS

body{
margin:0;
background: #ccc;
}

.block{
    position: relative;
    width: 200px;
    padding: 10px;
    margin: 50px auto;
    border: 1px solid #fff;
    background: #7abcff; /* Old browsers */
    background: -moz-linear-gradient(top,  #7abcff 0%, #60abf8 44%, #4096ee 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#7abcff), color-stop(44%,#60abf8), color-stop(100%,#4096ee)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top,  #7abcff 0%,#60abf8 44%,#4096ee 100%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top,  #7abcff 0%,#60abf8 44%,#4096ee 100%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top,  #7abcff 0%,#60abf8 44%,#4096ee 100%); /* IE10+ */
    background: linear-gradient(top,  #7abcff 0%,#60abf8 44%,#4096ee 100%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#7abcff', endColorstr='#4096ee',GradientType=0 ); /* IE6-9 */
    border-radius: 10px;

}

.block:before{
    content:'';
    position: absolute;
    bottom: -2px;
    top: -2px;
    left: -2px;
    right: -2px;
    border-radius: inherit;
    background: #ff1a00; /* Old browsers */
    background: -moz-linear-gradient(top,  #ff1a00 0%, #002400 63%); /* FF3.6+ */
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ff1a00), color-stop(63%,#002400)); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(top,  #ff1a00 0%,#002400 63%); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(top,  #ff1a00 0%,#002400 63%); /* Opera 11.10+ */
    background: -ms-linear-gradient(top,  #ff1a00 0%,#002400 63%); /* IE10+ */
    background: linear-gradient(top,  #ff1a00 0%,#002400 63%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ff1a00', endColorstr='#002400',GradientType=0 ); /* IE6-9 */
    z-index: -1;
}