.box {
position: fixed;
left: 20px;
top: 90px;
width: 235px;
height:480px;
z-index: 1;
display: block
box-sizing: border-box;
text-align: center;
background-color: transparent;
border-style: solid;
border-color: #FFFFFF;
text-align: center;
align-content: center;
padding: 5px;
z-index: 1;
color: #AE00FF;
}