.loading-container {
    z-index: 4;
    height: 100vh;
    width: 100vw;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    background-color: rgba(0,0,0,.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

    .loading-container img {
        width: 30%;
        -webkit-animation: breathing 5s ease-out infinite normal;
        animation: breathing 5s ease-out infinite normal;
    }

@-webkit-keyframes breathing {
    0% {
        -webkit-transform: scale(0.8);
        transform: scale(0.8);
    }

    25% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }

    60% {
        -webkit-transform: scale(0.8);
        transform: scale(0.8);
    }

    100% {
        -webkit-transform: scale(0.8);
        transform: scale(0.8);
    }
}

@keyframes breathing {
    0% {
        -webkit-transform: scale(0.8);
        -ms-transform: scale(0.8);
        transform: scale(0.8);
    }

    25% {
        -webkit-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1);
    }

    60% {
        -webkit-transform: scale(0.8);
        -ms-transform: scale(0.8);
        transform: scale(0.8);
    }

    100% {
        -webkit-transform: scale(0.8);
        -ms-transform: scale(0.8);
        transform: scale(0.8);
    }
}