.simple-marquee-container *{
	-webkit-box-sizing:border-box;
	-moz-box-sizing:border-box;
	-o-box-sizing:border-box;
	box-sizing:border-box;
	font-family:Arial, "Helvetica Neue", Helvetica, sans-serif;
}
.simple-marquee-container {
	width: 100%;
	background: grey;
	float: left;
	display: inline-block;
	overflow: hidden;
	box-sizing: border-box;
	height: 45px;
	position: relative;
	cursor: pointer;
}
body {
  margin: 0;
  padding: 0;
  color: black;
  font-size: 144px;
  font-weight: bold;
}

.marquee {
  position: relative;
  width: 100vw;
  max-width: 100%;
  height: 200px;
  overflow-x: hidden;
}

.track {
  position: absolute;
  white-space: nowrap;
  will-change: transform;
  animation: marquee 32s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.simple-marquee-container .marquee-sibling {
	padding: 0;
	background: rgb(61, 61, 61);
	width: 20%;
	height: 45px;
	line-height: 42px;
	font-size: 12px;
	font-weight: normal;
	color: #ffffff;
	text-align: center;
	float: left;
	left: 0;
	z-index: 3;
}

.simple-marquee-container .marquee, .simple-marquee-container *[class^="marquee"] {
	display: inline-block;
	white-space: nowrap;
	position:absolute;
}

.simple-marquee-container .marquee{
  margin-left: 25%;
}

.simple-marquee-container .marquee-content-items{
  display: inline-block;
  padding: 5px;
  margin: 0;
  height: 45px;
  position: relative;
}

.simple-marquee-container .marquee-content-items li{
  display: inline-block;
  line-height: 35px;
  color: #fff;
}
/* marquee div container */
.marquee {
    font-size: 2vw;
    color: #fff;
    font-family: 'Courier New', Courier, monospace;
    height: 2.5vw;
    overflow: hidden;
    background-color: #000;
    position: relative;
}
/* nested div inside the container */
.marquee div {
    display: block;
    width: 200%;
    position: absolute; 
    overflow: hidden;
    animation: marquee 12s linear infinite;
}
/* span with text */
.marquee span {
    float: left;
    width: 50%;
}
/* keyframe */
@keyframes marquee {
    0% { left: 0; }
    100% { left: -100%; }
}