틀:Im/Sidemenu/styles.css

.header-content-trigger {
	cursor: pointer;
    width: 100px;
    height: 30px;
    margin-bottom:-15px;
    background-image: linear-gradient(to right, rgba(0,0,0, 1) 25%, rgba(0,0,0, 0) 100%);
    opacity:0.5;
    padding:7px 20px;
    transition: width 1.8s, height 1s, opacity 2s;
}
.header-content:not(.header-content-trigger) {
	display: none;
    user-select: none;
}
.header-content-trigger:hover, .header-content:hover + .header-content-trigger {
	width: 250px;
	height: 50px;
    margin-bottom:-25px;
	opacity: 1;
}
.header-content-trigger:hover + .header-content {
	display: inline-block;
}
.header-content-trigger:active + .header-content {
	display: inline-block;
}
.header-content:hover {
	display: inline-block;
}