.loader_container {
    background: #333;
    display: flex;
    width: 100vw;
    height: 100vh;
    justify-content: center;
    align-items: center;
    padding: 0px;
    margin: 0px;
}

body .loader_container {
    width: 112px;
    height: 112px;
}

body .loader_container .box1,
body .loader_container .box2,
body .loader_container .box3 {
    border: 16px solid #f5f5f5;
    box-sizing: border-box;
    position: absolute;
    display: block;
}

body .loader_container .box1 {
    width: 112px;
    height: 48px;
    margin-top: 64px;
    margin-left: 0px;
    -webkit-animation: anime1 4s 0s forwards ease-in-out infinite;
    animation: anime1 4s 0s forwards ease-in-out infinite;
}

body .loader_container .box2 {
    width: 48px;
    height: 48px;
    margin-top: 0px;
    margin-left: 0px;
    -webkit-animation: anime2 4s 0s forwards ease-in-out infinite;
    animation: anime2 4s 0s forwards ease-in-out infinite;
}

body .loader_container .box3 {
    width: 48px;
    height: 48px;
    margin-top: 0px;
    margin-left: 64px;
    -webkit-animation: anime3 4s 0s forwards ease-in-out infinite;
    animation: anime3 4s 0s forwards ease-in-out infinite;
}

@-webkit-keyframes anime1 {
    0% {
        width: 112px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    12.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    25% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    37.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    50% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    62.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    75% {
        width: 48px;
        height: 112px;
        margin-top: 0px;
        margin-left: 0px;
    }
    87.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    100% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
}

@keyframes anime1 {
    0% {
        width: 112px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    12.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    25% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    37.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    50% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    62.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
    75% {
        width: 48px;
        height: 112px;
        margin-top: 0px;
        margin-left: 0px;
    }
    87.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    100% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
}

@-webkit-keyframes anime2 {
    0% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    12.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    25% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    37.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    50% {
        width: 112px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    62.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    75% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    87.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    100% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
}

@keyframes anime2 {
    0% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    12.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    25% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    37.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    50% {
        width: 112px;
        height: 48px;
        margin-top: 0px;
        margin-left: 0px;
    }
    62.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    75% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    87.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    100% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
}

@-webkit-keyframes anime3 {
    0% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    12.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    25% {
        width: 48px;
        height: 112px;
        margin-top: 0px;
        margin-left: 64px;
    }
    37.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    50% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    62.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    75% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    87.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    100% {
        width: 112px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
}

@keyframes anime3 {
    0% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    12.5% {
        width: 48px;
        height: 48px;
        margin-top: 0px;
        margin-left: 64px;
    }
    25% {
        width: 48px;
        height: 112px;
        margin-top: 0px;
        margin-left: 64px;
    }
    37.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    50% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    62.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    75% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    87.5% {
        width: 48px;
        height: 48px;
        margin-top: 64px;
        margin-left: 64px;
    }
    100% {
        width: 112px;
        height: 48px;
        margin-top: 64px;
        margin-left: 0px;
    }
}