body {
	text-align: center;
}

.outer-vertical-flex {
	display: flex;
	flex-direction: column;
	flex-wrap: wrap;
	gap: 20px;
	width: fit-content;
	margin-left: auto;
	margin-right: auto;
	text-align: left;
}

.flex-container {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	gap: 20px;
	justify-content: center;
	flex: auto;
}

.vertical-flex {
	display: flex;
	flex-direction: column;
	flex-wrap: wrap;
	gap: 20px;
}

.register-activity-div {
	border: 1px gray solid;
	padding: 10px;
	line-height: 1.8;
}

.register-activity-div input {
	width: 200px;
}

label {
	display: inline-block;
	width: 200px;
}

.submit-buttons-container {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: space-between;
	margin-left: 20px;
	margin-right: 20px;
}

.standard-activities-div {
	border: 1px gray solid;
	padding: 10px;
}

.registered-activities-div {
	border: 1px gray solid;
	padding: 10px;
}

table {
	width: 100%;
}

table,td,th {
	border: 1px solid lightgray;
}

.registered-activities-div td {
	padding-right:10px;
}

.registered-activities-div td button {
	margin-left:50px;
	width: 100px;
}

.other-users-div {
	border: 1px gray solid;
	padding: 10px;
}

.admin-div {
	border: 1px gray solid;
	padding: 10px;
}

details {
	border: 1px solid #aaaaaa;
	border-radius: 4px;
	padding: 0.5em 0.5em 2px;
}

summary {
	font-weight: bold;
	margin: -0.5em -0.5em 0;
	padding: 0.5em;
}