@keyframes fadeIn {
    0%    {opacity: 0}
    100%  {opacity: 1}
}
@-webkit-keyframes fadeIn {
    0%    {opacity: 0}
    100%  {opacity: 1}
}
@-moz-keyframes fadeIn {
    0%    {opacity: 0}
    100%  {opacity: 1}
}
@-o-keyframes fadeIn {
    0%    {opacity: 0}
    100%  {opacity: 1}
}
@-ms-keyframes fadeIn {
    0%    {opacity: 0}
    100%  {opacity: 1}
}
@keyframes fadeOut {
    0%    {opacity: 1}
    100%  {opacity: 0}
}
@-webkit-keyframes fadeOut {
    0%    {opacity: 1}
    100%  {opacity: 0}
}
@-moz-keyframes fadeOut {
    0%    {opacity: 1}
    100%  {opacity: 0}
}
@-o-keyframes fadeOut {
    0%    {opacity: 1}
    100%  {opacity: 0}
}
@-ms-keyframes fadeOut {
    0%    {opacity: 1}
    100%  {opacity: 0}
}
.web-toast{
    position: fixed;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 14px;
    line-height: 1;
    padding:10px;
    border-radius: 3px;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    z-index: 9999;
    white-space: nowrap;
}
.fadeOut{
    animation: fadeOut .5s;
}
.fadeIn{
    animation:fadeIn .5s;
}