@keyframes blast {
    0%{
        opacity: 0;
        transform: scale(0.6);
    }
    20%{
        opacity: 1;
        transform: scale(1.2);
    }
    50%{
        transform: scale(0.8);
    }
    75%{transform: scale(1.1);}
    to{
        transform: scale(1);
    }  
}