<div class="wrapper">
<div class="triangle"></div>
<div class="triangle"></div>
<div class="triangle"></div>
<div class="triangle"></div>
</div>
<style>
body {
background: #F2F2B6;
margin: 0;
}
.wrapper {
position: relative;
width: 280px;
height: 130px;
margin: 85px auto;
}
.triangle {
position: absolute;
width: 0;
height: 0;
border-left: 75px solid transparent;
border-right: 75px solid transparent;
border-top: 130px solid #FF6D00;
z-index: 1;
}
.triangle:nth-child(2) {
border-top-color: #FD4602;
left: 20px;
z-index: 0;
}
.triangle:nth-child(3) {
transform: scaleY(-1);
border-top-color: #FD4602;
left: 110px;
z-index: 1;
}
.triangle:nth-child(4) {
transform: scaleY(-1);
left: 130px;
z-index: 0;
}
</style>