.matrix{padding:3px .1vw;height:30px;width:1.5vw;background-color:#fff;border-radius:5px;display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;-ms-flex-pack:distribute;justify-content:space-around;-webkit-box-align:center;-ms-flex-align:center;align-items:center;opacity:.5;cursor:pointer}.matrix .item{height:8px;width:.35vw;background-color:#13a4ff}.matrix .item2{height:5px;width:.28vw;background-color:#13a4ff}.matrix.chosen,.matrix:hover{opacity:1}