.preloader-wrap {
    -webkit-transition: all .3s ease;
    -o-transition: all .3s ease;
    transition: all .3s ease;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
	opacity: 0;
    visibility: hidden;
    background: rgba(180, 180, 180, .95);
    z-index: -999;
}

.preloader-wrap.active {
    opacity: 1;
    visibility: visible;
    z-index: 9999;
}

.preloader {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    max-width: 75px;
}

.ws-platform-article {
    min-height: 300px;
    position: relative;
}

.top-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 10px 0;
}

@media (min-width: 550px) {
    .general-wrapper {
        display: -webkit-flex;
        display: -moz-flex;
        display: -ms-flex;
        display: -o-flex;
        display: flex;
        -webkit-flex-wrap: wrap;
        -moz-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
        -o-flex-wrap: wrap;
        flex-wrap: wrap;
        -ms-align-items: stretch;
        align-items: stretch;
        justify-content: space-between;
    }
}

.top-wrapper .event_courses_label {
    display: flex;
    flex-wrap: wrap;
    align-content: space-between;
}

.presentation_head {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
    align-content: space-between;
    width: 40%;
}

.presentation_head div.quantity,
.presentation_head div.price {
    display: block;
    width: 100%;
}

@media (min-width: 550px) {
    .presentation_head {
        width: 40%;
    }
}

.content-wrapper {
    width: 60%;
}

@media (min-width: 550px) {
    .content-wrapper {
        width: 60%;
    }
}

.event_courses_date{
    padding-right: 10px;
}

.event_course {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    -ms-align-items: center;
    align-items: center;
    justify-content: flex-start;
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
}