body {
  font-family: "Poppins", sans-serif;
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  color: #212112;
  background-size: 7%;
  background-color: #fff;
  overflow-x: hidden;
  transition: all 200ms linear;
}
h2{
  color:#000;
  text-align:center;
  font-size:2em;
}
.warpper{
  display:flex;
  flex-direction: column;
  align-items: center;
}
.tab{
  cursor: pointer;
  padding:10px 20px;
  margin:0px 2px;
  background:#ffcc33;
  display:inline-block;
  color:#fff;
  border-radius:3px 3px 0px 0px;
  box-shadow: 0 0.5rem 0.8rem #00000080;
}
.panels{
  background:#fffffff6;
  box-shadow: 0 2rem 2rem #00000080;
  min-height:200px;
  width:100%;
  max-width:100%;
  border-radius:3px;
  overflow:hidden;
  padding:20px;  
}
.panel{
  display:none;
  animation: fadein .8s;
}
@keyframes fadein {
    from {
        opacity:0;
    }
    to {
        opacity:1;
    }
}
.panel-title{
  font-size:1.5em;
  font-weight:bold
}
.radio{
  display:none;
}
#one:checked ~ .panels #one-panel,
#two:checked ~ .panels #two-panel,
#three:checked ~ .panels #three-panel{
  display:block
}
#one:checked ~ .tabs #one-tab,
#two:checked ~ .tabs #two-tab,
#three:checked ~ .tabs #three-tab{
  background:#fffffff6;
  color:#000;
  border-top: 3px solid #000;
}