.preloader {
    width: 100vw;
    height: 100vh;
    position: fixed;
    z-index: 1000002;
    left: 0;
    top: 0;
    background-color: #82a545;
    color: #fff;
    font-size: 2em;
    display: none;
}
.preloader .preloader__content {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 25px;
}
.preloader.showed {
    display: block;
}
.preloader img {
    width: 100px;
}