.loader {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    height: 100vh;
    width: 100%;
    background-color: #111;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.loader::before {
    content: "";
    background-image: url(../img/webmc.png);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    animation: pulse 1.5s linear infinite;
    background-size: cover;
}