vue-msg-njj/style.css

.msg[data-v-a50ff231]{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:0;min-height:0;text-align:center;background:rgba(0,0,0,.5);border-radius:5px;color:#fff;transition:all .5s;z-index:-1;opacity:0}.msg.active[data-v-a50ff231]{width:150px;min-height:25px;opacity:1;z-index:11}