.splash-screen {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -28px;
    margin-top: -28px;
}

.splash-screen .splash-loader {
    width: 40px;
    height: 40px;
    position: relative;
    transform: rotateZ(45deg);
}

.splash-screen .splash-loader > div {
    float: left;
    width: 50%;
    height: 50%;
    position: relative;
    transform: scale(1.1);
}

.splash-screen .splash-loader > div:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #495057;
    animation: splash-loader-anim 2.4s infinite linear both;
    transform-origin: 100% 100%;
}

.splash-screen .splash-loader > div.splash-cube2 {
    transform: scale(1.1) rotateZ(90deg);
}

.splash-screen .splash-loader > div.splash-cube2:before {
    animation-delay: 0.3s;
}

.splash-screen .splash-loader > div.splash-cube3 {
    transform: scale(1.1) rotateZ(180deg);
}

.splash-screen .splash-loader > div.splash-cube3:before {
    animation-delay: 0.6s;
}

.splash-screen .splash-loader > div.splash-cube4 {
    transform: scale(1.1) rotateZ(270deg);
}

.splash-screen .splash-loader > div.splash-cube4:before {
    animation-delay: 0.9s;
}

@keyframes splash-loader-anim {
    0%, 10% {
        transform: perspective(140px) rotateX(-180deg);
        opacity: 0;
    }
    25%, 75% {
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
    }
    90%, 100% {
        transform: perspective(140px) rotateY(180deg);
        opacity: 0;
    }
}