:root {
    --yellow: #feb60a;
    --red: #ff0062;
    --blue: #00dbf9;
    --violet: #da00f7;
}
.preloader {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #211260;
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1101;
}
.preloader .preloader-container {
    display: flex;
    justify-content: center;
    align-items: center;
}
.preloader .preloader-item {
    width: 3vw;
    height: 3vw;
    border-radius: 100%;
    margin: 2vw;
    background-image: linear-gradient(145deg, rgba(255,255,255,0.5) 0%, rgba(0,0,0,0) 100%);
    animation: bounce 1.5s 0.5s linear infinite;
}
.preloader .yellow {
    background-color: var(--yellow);
}

.preloader .red {
    background-color: var(--red);
    animation-delay: 0.1s;
}

.preloader .blue {
    background-color: var(--blue);
    animation-delay: 0.2s;
}

.preloader .violet {
    background-color: var(--violet);
    animation-delay: 0.3s;
}

@keyframes bounce {
    0%, 50%, 100% {
        transform: scale(1);
        filter: blur(0px);
    }
    25% {
        transform: scale(0.6);
        filter: blur(3px);
    }
    75% {
        filter: blur(3px);
        transform: scale(1.4);
    }
}