[パーツ]タイムライン　真ん中にポイントをおいてタイトルのみ吹き出しにする

CSS HTML
 2018.04.16

真ん中にポイントをおいてタイトルのみ吹き出しにする

レスポンシブ対応。ウィンドウ幅768px以下で横向きだった吹き出しが上向きに変更されます。

browser:  65 11 20 10 
ニャン易度 
  • あんなこと 2016 -
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
  • こんなこと 2015 - 2016
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
  • そんなこと 2014 - 2015
    Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
<ul class="cp_timeline01">
	<li><div class="timeline_item">
	<div class="flag_cont">
	<span class="flag">タイトル</span>
	<span class="time">2016 - </span>
	</div>
	<div class="desc">内容</div>
	</div></li>
	<li><div class="timeline_item">
	<div class="flag_cont">
	<span class="flag">タイトル</span>
	<span class="time">2015 - 2016</span>
	</div>
	<div class="desc">内容</div>
	</div></li>
	<li><div class="timeline_item">
	<div class="flag_cont">
	<span class="flag">タイトル</span>
	<span class="time">2014 - 2015</span>
	</div>
	<div class="desc">内容</div>
	</div></li>
</ul>
.cp_timeline01 {
	position: relative;
	width: 100%;
	margin: 3em auto;
	padding: 1em 0;
	list-style-type: none;
}
.cp_timeline01:before {
	position: absolute;
	left: 50%;
	top: 0;
	content: '';
	display: block;
	width: 6px;
	height: 100%;
	margin-left: -3px;
	background: rgba(128,222,234 ,1);
	z-index: 5;
}
.cp_timeline01 li {
	padding: 1em 0;
}
.cp_timeline01 li:after {
	content: '';
	display: block;
	height: 0;
	clear: both;
	visibility: hidden;
}
.cp_timeline01 li:nth-child(odd) .timeline_item {
	position: relative;
	width: calc(50% - 29px);
	float: left;
	text-align: right;
}
.cp_timeline01 li:nth-child(even) .timeline_item {
	position: relative;
	width: calc(50% - 29px);
	float: right;
}
.cp_timeline01 li .timeline_item .flag_cont {
	position: relative;
	display: inline-block;
	text-align: center;
}
.cp_timeline01 li .timeline_item .flag {
	position: relative;
	display: inline;
	background: rgba(26,35,126 ,1);
	color: #ffffff;
	padding: 6px 10px;
	border-radius: 5px;
	font-weight: bold;
	text-align: left;
}
.cp_timeline01 li:nth-child(odd) .timeline_item .flag {
	-webkit-box-shadow: -1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
	        box-shadow: -1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
}
.cp_timeline01 li:nth-child(even) .timeline_item .flag {
	-webkit-box-shadow: 1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
	        box-shadow: 1px 1px 1px rgba(0,0,0,0.15), 0 0 1px rgba(0,0,0,0.15);
}
.cp_timeline01 li:nth-child(odd) .timeline_item .flag_cont:before,
.cp_timeline01 li:nth-child(even) .timeline_item .flag_cont:before {
	position: absolute;
	top: 10px;
	right: -41px;
	content: ' ';
	display: block;
	width: 12px;
	height: 12px;
	margin-top: -10px;
	background: rgba(0,188,212 ,1);
	border-radius: 12px;
	border: 6px solid rgba(26,35,126 ,1);
	z-index: 10;
}
.cp_timeline01 li:nth-child(even) .timeline_item .flag_cont:before {
	left: -41px;
}
.cp_timeline01 li:nth-child(odd) .timeline_item .flag_cont:after,
.cp_timeline01 li:nth-child(even) .timeline_item .flag_cont:after {
	position: absolute;
	top: 12px;
	right: -39px;
	content: ' ';
	display: block;
	width: 16px;
	height: 16px;
	margin-top: -10px;
	border-radius: 10px;
	border: 2px solid rgba(255,255,255 ,1);
	z-index: 10;
}
.cp_timeline01 li:nth-child(even) .timeline_item .flag_cont:after {
	left: -39px;
}
.cp_timeline01 li:nth-child(odd) .timeline_item .flag:after {
	content: '';
	position: absolute;
	left: 100%;
	top: 50%;
	height: 0;
	width: 0;
	margin-top: -6px;
	border: solid transparent;
	border-left-color: rgba(26,35,126 ,1);
	border-width: 6px;
}
.cp_timeline01 li:nth-child(even) .timeline_item .flag:after {
	content: '';
	position: absolute;
	right: 100%;
	top: 50%;
	height: 0;
	width: 0;
	margin-top: -6px;
	border: solid transparent;
	border-right-color: rgba(26,35,126 ,1);
	border-width: 6px;
}
.cp_timeline01 li .timeline_item .time {
	display: block;
	margin-top: 1em;
	padding: 4px 6px;
	font-size: 0.6em;
	line-height: 1em;
	color: rgba(255,87,34 ,1);
	text-align: right;
}
.cp_timeline01 li:nth-child(even) .timeline_item .time {
	text-align: left;
}
.cp_timeline01 li .timeline_item .desc {
	margin: 1em 0.75em 0 0;
	font-size: 0.7em;
	line-height: 1.5em;
	margin: 1em 1em 0 1em;
	padding: 1em;
	background: rgba(178,235,242 ,0.7);
	border-radius: 6px;
}
@media only screen and (max-width:768px) {
	.cp_timeline01 {
		width: 100%;
		padding: 4em 0 1em 0;
	}
	.cp_timeline01 li {
		padding: 2em 0;
	}
	.cp_timeline01 li:nth-child(odd) .timeline_item,
	.cp_timeline01 li:nth-child(even) .timeline_item {
		float: none;
		width: 100%;
		text-align: center;
	}
	.cp_timeline01 li .timeline_item .flag_cont {
		text-align: center;
	}
	.cp_timeline01 li .timeline_item .flag {
		z-index: 15;
	}
	.cp_timeline01 li:nth-child(odd) .timeline_item .flag_cont:before,
	.cp_timeline01 li:nth-child(even) .timeline_item .flag_cont:before {
		top: -30px;
		right: calc(50% - 12px);
		left: calc(50% - 12px);
	}
	.cp_timeline01 li:nth-child(odd) .timeline_item .flag_cont:after,
	.cp_timeline01 li:nth-child(even) .timeline_item .flag_cont:after {
		top: -28px;
		right: calc(50% - 10px);
		left: calc(50% - 10px);
	}
	.cp_timeline01 li:nth-child(odd) .timeline_item .flag:after,
	.cp_timeline01 li:nth-child(even) .timeline_item .flag:after {
		content: '';
		position: absolute;
		left: 50%;
		top: -6px;
		height: 0;
		width: 0;
		margin-left: -6px;
		border: solid transparent;
		border-bottom-color: rgba(26,35,126 ,1);
		border-width: 6px;
		pointer-events: none;
	}
	.cp_timeline01 li .flag_cont {
		display: block;
		position: relative;
		margin: 4px 0 0 0;
		z-index: 14;
	}
	.cp_timeline01 li:nth-child(odd) .timeline_item .time,
	.cp_timeline01 li:nth-child(even) .timeline_item .time {
		float: none;
		text-align: center;
		background: #ffffff;
	}
	.cp_timeline01 li .timeline_item .desc {
		position: relative;
		z-index: 15;
	}
}

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