.circle{
    height: 50px;
    width: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    animation: grow 5s forwards;
    position: absolute;
    
}

@keyframes grow {
    0%{
       transform: scale(1);
       opacity: 1;
       font-size: 10px;
    }
    100%{
       transform: scale(3);
       opacity: 0;
       font-size: 40px;
    }
}