Ultimate Member customization. Make the profile menu vertical.

um-profile-menu-vertical.css

/**
 * Make the profile menu vertical
 */
.um-profile:not(.uimob340) .um-form {
	display: table;
}
.um-profile:not(.uimob340) .um-form .um-profile-nav,
.um-profile:not(.uimob340) .um-form .um-profile-body {
	box-sizing: border-box;
	margin-top: 0px !important;
	padding-top: 0px !important;
}
.um-profile:not(.uimob340) .um-form .um-profile-subnav,
.um-profile:not(.uimob340) .um-form .um-profile-body {
	float: right;
	max-width: calc(100% - 50px);
	min-width: calc(100% - 175px);
	width: 80%;
	padding-left: 10px;
}
.um-profile:not(.uimob340) .um-form .um-profile-nav {
	float: left;
	max-width: 175px;
	min-width: 50px;
	padding: 4px !important;
	width: 20%;
}
.um-profile:not(.uimob340) .um-form .um-profile-nav-item a {
	margin: 0px;
	width: 100%;
}
.um-profile:not(.uimob340) .um-form .um-profile-nav-item .um-tab-notifier {
	right: 1px;
	top: 1px;
}