style.css

* {
	margin: 0;
	padding: 0;
}

body {
	font-family: Helvetica, Arial, sans-serif;
}

body, p, h3, h4, h5, h6 {
	font-size: 16px;
	line-height: 21px
}

h1 {
	margin-bottom: 30px;
}

p, h2, h3, h4, h5, h6 {
	margin-bottom: 20px;
}

h1 {
	font-size: 24px;
	line-height: 28px;
}

h2 {
	font-size: 18px;
	line-height: 22px;
}

select, button {
	padding: 5px 10px;
}

.lifeOfTasks {
	padding: 1%;
	background-color: #eef2f4;
}

h1.title {
	padding-bottom: 20px;
	border-bottom: 1px solid #ccc;
	font-weight: normal;
}

h2.title {
	text-transform: uppercase;
	padding-bottom: 10px;
	border-bottom: 1px solid #ccc;
}

.staff_list, .tasks_container {
	background-color: #fff;
	padding: 20px;
	margin-bottom: 20px;
}

.tasks_container {
	display: flex;
	align-items: flex-start;
}

.tasks_list {
	position: relative;
	width: 50%;
	max-height: 500px;
	flex-grow: 1;
	overflow-y: auto;
}

.tasks_list:not(:last-child) {
	margin-right: 20px;
	margin-bottom: 20px;
}

.tasks_list h2.title {
	position: sticky;
	top: 0;
	background-color: #fff;
	box-shadow: 0 0 20px #ccc;
	z-index: 2;
}

.task_item {
	position: relative;
	margin-right: 10px;
	margin-bottom: 10px;
	padding: 10px;
	border-radius: 5px;
	background-color: #f6f8f9;
}

.task_title {
	text-decoration: underline;
	text-decoration-style: dotted;
	color: #2067b0;
}

.task_item:hover {
	background-color: #eef2f4;
}

.task_item:hover > .task_title {
	text-decoration: none;
}

.task_description {
	display: none;
	background-color: #fff;
	box-shadow: 2px 2px 10px #ccc;
	border-radius: 0 10px 15px 10px;
	padding: 10px;
	max-height: 100px;
	overflow: hidden;
	overflow-y: auto;
}

.task_description p {
	margin-bottom: 0;
	font-size: 14px;
	line-height: 16px;
}

.task_item:hover > .task_description {
	display: block;
	position: absolute;
	z-index: 2;
}

.task_item:last-child:hover > .task_description {
	top: -60px;
}

@media (max-width: 768px) {
	.tasks_container {
		display: block;
	}
	.tasks_list {
		width: 100%;
	}
}