/* Свернуть */
.active.collapsible {
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    position: relative;
}
.active.collapsible::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 100) 100%);
    pointer-events: none;
    transition: opacity 0.3s ease-out;
}

.active.collapsible.expanded::after, 
.active.collapsible.expanded.content-bg-alt::after {background: none;}

.active.expanded .collapsible::after {
    opacity: 0;
}

.collapsible ~ .wrap_toggle-btn {text-align: center;}
.active ~ .wrap_toggle-btn .toggle-btn {
    display: inline-block;
	position: relative;
    margin: 10px auto 0;
    border-bottom: 1px dashed;
	cursor: pointer;
}
.collapsible ~ .wrap_toggle-btn .toggle-btn:hover {border-bottom: 1px solid;}