#error_container{
    background: #FFF;
    height: 700px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.error_img{
    background-image: url("../images/error/state_1.png");
    height: 157px;
    width: 410px;
    margin: 30px auto;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    animation:  1.2s animateSectionBackground infinite;
}
#error_container h2{
    font-size: 42px;
    line-height: 20px;
    font-weight: 400;
}
@keyframes animateSectionBackground {
    00%, 05% { background-image: url("../images/error/state_1.png"); }
    06%, 10% { background-image: url("../images/error/state_2.png"); }
    11%, 15% { background-image: url("../images/error/state_3.png"); }
    16%, 20% { background-image: url("../images/error/state_4.png"); }
    21%, 25% { background-image: url("../images/error/state_5.png"); }
    26%, 30% { background-image: url("../images/error/state_6.png"); }
    31%, 100% { background-image: url("../images/error/state_1.png"); }
}