@keyframes boderM {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    75% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}