.cup{
    height: 80px;
    width: 90px;
    border: 6px solid #000000;
    position: absolute;
    top: 45%;
    /*left: 35%;*/
    border-radius: 0px 0px 70px 70px;
    background: url(../images/coffee.png);
    box-shadow: 0px 0px 0px 6px white;
    background-repeat: repeat-x;
    background-position: 0px 70px;
    animation: fill 5s infinite;
    
  left: 0; 
  right: 0; 
  margin-left: auto; 
  margin-right: auto;
}

.handle{
        height: 35px;
    width: 20px;
    background-color: transparent;
    border: 6px solid black;
    position: relative;
    left: 90px;
    top: 2px;
    border-radius: 0px 25px 80px 0px;
}

@keyframes fill{
    0%{
        background-position: 0px 140px;
    }
    20%
    {
        background-position: -450px 100px;
    }
    40%{
        background-position: -900px 50px;
    }
    80%{
        background-position: -1350px -40px;
    }
    100%{
        background-position: 0px 140px;;
    }
}