bab-icon/public/css/styles.css

html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{border:0;font-size:100%;font:inherit;vertical-align:baseline;margin:0;padding:0}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:none}table{border-collapse:collapse;border-spacing:0}

@font-face {
  font-family: 'Circular';
  src: url('../fonts/Circular-Book.woff') format('woff');
  font-weight: normal;
}

@font-face {
	font-family: 'Circular';
	src: url('../fonts/Circular-Bold.woff') format('woff');
	font-weight: bold;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
	background: #18212D;
}

body {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  flex-wrap: wrap;
  color: white;
  font-family: 'Circular', sans-serif;
  -webkit-font-smoothing: antialiased;
}

section {
	min-width: 18rem;
}

div {
	width: 2rem;
	height: 2rem;
}

.red {
  background-color: #FF324A;
}

.green {
  background-color: #31FFA6;
}

.blue {
  background-color: #206EFF;
}

.yellow {
  background-color: #FFFF99;
}

.hidden {
    display: none;
}