包起来才能识别)

添加返回首页按钮

网上找了个svg按钮,放上去,然后把a的href改为javascript:history.back(-1)就行,修改后代码如下:(可自由发挥,找更棒的)

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<article class="wrapper style1 align-left">
<!-- 返回按扭 -->
<a href="javascript:history.back(-1)" class="cd-nav-trigger">
<span class="cd-nav-icon"></span>
<svg x="0px" y="0px" width="54px" height="54px" viewBox="0 0 54 54">
<circle fill="transparent" stroke="#656e79" stroke-width="1" cx="27" cy="27" r="25" stroke-dasharray="157 157" stroke-dashoffset="157"></circle>
</svg>
</a>
......
......

css:

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/* 返回按钮 */
.cd-nav-trigger {
transform: rotate(180deg);
}
.cd-nav-trigger {
position: fixed;
z-index: 3;
left: 5%;
top: 20px;
height: 54px;
width: 54px;
background-color: #233;
border-radius: 50%;
overflow: hidden;
text-indent: 100%;
white-space: nowrap;
transition: transform 0.5s;
}
#cd-nav {
color: #9cb3a8;
text-decoration: none;
}
.cd-nav-trigger .cd-nav-icon {
position: absolute;
left: 50%;
top: 50%;
bottom: auto;
right: auto;
transform: translateX(-50%) translateY(-50%);
width: 22px;
height: 2px;
background-color: #ffffff;
}
.cd-nav-trigger circle {
stroke-dashoffset: 0;
transition: stroke-dashoffset 0.4s 0.3s;
}
.cd-nav-trigger circle {
transition: stroke-dashoffset 0.4s 0s;
}
.cd-nav-trigger .cd-nav-icon::before, .cd-nav-trigger .cd-nav-icon:after {
content: '';
position: absolute;
top: 0;
right: 0;
width: 50%;
height: 100%;
background-color: inherit;
transform: translateZ(0);
backface-visibility: hidden;
transition: transform 0.5s, width 0.5s;
}
.cd-nav-trigger .cd-nav-icon::before {
transform-origin: right top;
transform: rotate(45deg);
}
.cd-nav-trigger .cd-nav-icon::after, .cd-nav-trigger .cd-nav-icon::before {
width: 50%;
transition: transform 0.5s, width 0.5s;
}
.cd-nav-trigger .cd-nav-icon::after {
transform-origin: right bottom;
transform: rotate(-45deg);
}

代码同步上传在github仓库和百度云上,关注回复story008获取。
未完待续 To be continued……