魔改教程

  1. 使用命令 hexo new page guestbook 新建一个留言板菜单 guestbook (名字可以自定义)，在 [Blogroot]\source\guestbook\index.md 中添加:
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<div class="envlope-wrapper">
    <div id="envelope" class="open">
        <div class="front flap"></div>
        <div class="front pocket"></div>
        <div class="letter">
            <div class="words line1"></div>
            <div class="words line2"></div>
            <div class="words line3"></div>
            <div class="words line4"></div>
        </div>
        <div class="hearts">
            <div class="heart a1"></div>
            <div class="heart a2"></div>
            <div class="heart a3"></div>
        </div>
    </div>
</div>
  1. 新建 [Blogroot]\themes\butterfly\suorce\css\custom\envelope.css
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#envelope {
    position: relative;
    width: 400px;
    height: 200px;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 150px;
    background-color: #00334c;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.front {
    position: absolute;
    width: 0;
    height: 0;
    z-index: 3;
}

.flap {
    border-left: 200px solid transparent;
    border-right: 200px solid transparent;
    border-bottom: 82px solid transparent;
    /* a little smaller */
    border-top: 98px solid #00334c;
    /* a little larger */
    transform-origin: top;
}

.pocket {
    border-left: 200px solid #0077B2;
    border-right: 200px solid #0077B2;
    border-bottom: 90px solid #006da3;
    border-top: 120px solid transparent;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

.letter {
    position: relative;
    background-color: #fff;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
    height: 90%;
    top: 5%;
    border-radius: 6px;
    box-shadow: 0 2px 26px rgba(0, 0, 0, 0.12);
}

.letter:after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-image: -webkit-gradient(linear, left top, left bottom, color-stop(25%, rgba(255, 255, 255, 0)), color-stop(55%, rgba(215, 227, 239, 0.7)), to(#d7e3ef));
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0) 25%, rgba(215, 227, 239, 0.7) 55%, #d7e3ef 100%);
}

.words {
    position: absolute;
    left: 10%;
    width: 80%;
    height: 14%;
    background-color: #EEEFF0;
}

.words.line1 {
    top: 15%;
    width: 20%;
    height: 7%;
}

.words.line2 {
    top: 30%;
}

.words.line3 {
    top: 50%;
}

.words.line4 {
    top: 70%;
}

.open .flap {
    -webkit-transform: rotateX(180deg);
    transform: rotateX(180deg);
    transition: z-index .6s, -webkit-transform .4s ease;
    transition: transform .4s ease, z-index .6s;
    transition: transform .4s ease, z-index .6s, -webkit-transform .4s ease;
    z-index: 1;
}

.open .letter {
    transform: translateY(-60px);
    transition: z-index .6s, -webkit-transform .4s .6s ease;
    transition: transform .4s .6s ease, z-index .6s;
    transition: transform .4s .6s ease, z-index .6s, -webkit-transform .4s .6s ease;
    z-index: 2;
}

.hearts {
    position: absolute;
    top: 90px;
    left: 0;
    right: 0;
    z-index: 2;
}

.heart {
    position: absolute;
    bottom: 0;
    right: 10%;
}

.heart:before,
.heart:after {
    position: absolute;
    content: "";
    left: 50px;
    top: 0;
    width: 50px;
    height: 80px;
    background: #D00000;
    border-radius: 50px 50px 0 0;
    transform: rotate(-45deg);
    transform-origin: 0 100%;
}

.heart:after {
    left: 0;
    transform: rotate(45deg);
    transform-origin: 100% 100%;
}

.a1 {
    left: 20%;
    transform: scale(0.6);
    animation: slideUp 4s linear infinite, sideSway 2s ease-in-out 4 alternate;
    animation-fill-mode: forwards;
    animation-delay: .7s;
}

.a2 {
    left: 55%;
    transform: scale(1);
    animation: slideUp 5s linear infinite, sideSway 4s ease-in-out 2 alternate;
    animation-fill-mode: forwards;
    animation-delay: .7s;
}

.a3 {
    left: 10%;
    transform: scale(0.8);
    animation: slideUp 7s linear infinite, sideSway 2s ease-in-out 6 alternate;
    animation-fill-mode: forwards;
    animation-delay: .7s;
}

@keyframes slideUp {
    0% {
        top: 0;
        opacity: 1;
    }

    100% {
        top: -600px;
        opacity: 0;
    }
}

@keyframes sideSway {
    0% {
        margin-left: 0px;
    }

    100% {
        margin-left: 50px;
    }
}
  1. 在 [Blogroot]_config.butterfly.yml 引入 envelope.css
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inject:
  head:
    - <link rel="stylesheet" href="/css/custom/envelope.css"  media="defer" onload="this.media='all'">
  bottom:
  1. 执行 Hexo 三连，hexo c,hexo g,hexo s，即可看到效果