.TextTip{
    display:inline-block;
    background:rgba(0,0,0,0.5);
    color:#fff;
    width:50%;
    text-align: center;
    padding:.2rem 0px;
    position: fixed;
    top:50%;
    left: 50%;
    transform:translate(-50%,-50%);
    opacity:0;
    z-index: 99999999
    
}
.tipAnimation{
    animation: opacity 2s forwards; 
}
@keyframes opacity{
    0%   {opacity:0}
    50%  {opacity:1}
    100% {opacity:0}
}