body {
    background-color: #3b3b3b;
}
.loading {
    position: absolute;
    top: 50%;
    left: 50%;
}
.loading .bullet {
    position: absolute;
    padding: 5px;
    border-radius: 50%;
    background: #65a3ff;
    -webkit-animation: animIn 1s ease-in-out 0s infinite;
    animation: animIn 1s ease-in-out 0s infinite;
}
.loading .bullet:nth-child(1) {
    -webkit-animation-delay: 0s;
    animation-delay: 0s;
}
.loading .bullet:nth-child(2) {
    -webkit-animation-delay: 0.15s;
    animation-delay: 0.15s;
}
.loading .bullet:nth-child(3) {
    -webkit-animation-delay: 0.3s;
    animation-delay: 0.3s;
}
.loading .bullet:nth-child(4) {
    -webkit-animation-delay: 0.45s;
    animation-delay: 0.45s;
}
@-webkit-keyframes animIn {
    0% {
        -webkit-transform: translateX(-100px);
        transform: translateX(-100px);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        -webkit-transform: translateX(100px);
        transform: translateX(100px);
        opacity: 0;
    }
}
@keyframes animIn {
    0% {
        -webkit-transform: translateX(-100px);
        transform: translateX(-100px);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        -webkit-transform: translateX(100px);
        transform: translateX(100px);
        opacity: 0;
    }
}