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css
/* -------------------------------------
* For horizontal version, set the
* $vertical variable to false
* ------------------------------------- */
/* -------------------------------------
* General Style
* ------------------------------------- */
@import url(https://fonts.googleapis.com/css?family=Noto+Sans);
body {
max-width: 1200px;
margin: 0 auto;
padding: 0 5%;
font-size: 100%;
font-family: "Noto Sans", sans-serif;
color: #eee9dc;
background: #48b379;
}
h3 {
margin: 3em 0 0 0;
font-size: 1.5em;
letter-spacing: 2px;
text-transform: uppercase;
}
/* -------------------------------------
* timeline
* ------------------------------------- */
#timeline {
list-style: none;
margin: 50px 0 30px 120px;
padding-left: 30px;
border-left: 8px solid #eee9dc;
}
#timeline li {
margin: 40px 0;
position: relative;
}
#timeline p {
margin: 0 0 15px;
}
.date {
margin-top: -10px;
top: 50%;
left: -158px;
font-size: 0.95em;
line-height: 20px;
position: absolute;
}
.circle {
margin-top: -10px;
top: 50%;
left: -44px;
width: 10px;
height: 10px;
background: #48b379;
border: 5px solid #eee9dc;
border-radius: 50%;
display: block;
position: absolute;
}
.content {
max-height: 20px;
padding: 50px 20px 0;
border-color: transparent;
border-width: 2px;
border-style: solid;
border-radius: 0.5em;
position: relative;
}
.content:before, .content:after {
content: "";
width: 0;
height: 0;
border: solid transparent;
position: absolute;
pointer-events: none;
right: 100%;
}
.content:before {
border-right-color: inherit;
border-width: 20px;
top: 50%;
margin-top: -20px;
}
.content:after {
border-right-color: #48b379;
border-width: 17px;
top: 50%;
margin-top: -17px;
}
.content p {
max-height: 0;
color: transparent;
text-align: justify;
word-break: break-word;
hyphens: auto;
overflow: hidden;
}
label {
font-size: 1.3em;
position: absolute;
z-index: 100;
cursor: pointer;
top: 20px;
transition: transform 0.2s linear;
}
.radio {
display: none;
}
.radio:checked + .relative label {
cursor: auto;
transform: translateX(42px);
}
.radio:checked + .relative .circle {
background: #f98262;
}
.radio:checked ~ .content {
max-height: 180px;
border-color: #eee9dc;
margin-right: 20px;
transform: translateX(20px);
transition: max-height 0.4s linear, border-color 0.5s linear, transform 0.2s linear;
}
.radio:checked ~ .content p {
max-height: 200px;
color: #eee9dc;
transition: color 0.3s linear 0.3s;
}
/* -------------------------------------
* mobile phones (vertical version only)
* ------------------------------------- */
@media screen and (max-width: 767px) {
#timeline {
margin-left: 0;
padding-left: 0;
border-left: none;
}
#timeline li {
margin: 50px 0;
}
label {
width: 85%;
font-size: 1.1em;
white-space: nowrap;
text-overflow: ellipsis;
overflow: hidden;
display: block;
transform: translateX(18px);
}
.content {
padding-top: 45px;
border-color: #eee9dc;
}
.content:before, .content:after {
border: solid transparent;
bottom: 100%;
}
.content:before {
border-bottom-color: inherit;
border-width: 17px;
top: -16px;
left: 50px;
margin-left: -17px;
}
.content:after {
border-bottom-color: #48b379;
border-width: 20px;
top: -20px;
left: 50px;
margin-left: -20px;
}
.content p {
font-size: 0.9em;
line-height: 1.4;
}
.circle, .date {
display: none;
}
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名称栏目：CSS3中怎么实现时间轴动画
标题URL：http://bjjierui.cn/article/jeeoig.html
