.test-hidden {display:none;}
.test-hidden-switch {display:none;}
.test-show {display:block;}
.test-show-switch {display:block;}
.content {
padding: 1em;
width: 600px;
border:1px solid #96C2F1;
background-color:#EFF7FF;
text-align:center;
margin-left: auto;
margin-right: auto;
}