JSFiddle - React, Tailwind, and code Playground

HTML

<div class="shadow obj yourcolor" style="margin: 35px"></div>

<div class="shadow2 obj yourcolor" style="margin: 35px"></div>

CSS

.obj {
  width: 100px;
  height: 100px;
  margin: 60px 20px 0 0;
  display: inline-block;
}

.shadow {
  -webkit-box-shadow: 0px 0px 15px 5px rgba(0, 0, 0, .3);
  -moz-box-shadow: 0px 0px 15px 5px rgba(0, 0, 0, .3);
  box-shadow: 0px 1px 2px 0px #505857, 0px 0px 7px 0px #505857;
}

.shadow2 {
    -webkit-box-shadow: 0 4px 4px -1px rgba(0, 0, 0, .3);
	   -moz-box-shadow: 0 4px 4px -1px rgba(0, 0, 0, .3);
	        box-shadow: 4px 4px 4px -1px rgba(0, 0, 0, .3);
}

.yourcolor {
  background-color: #F3A428;
}