body,html,ul,li{margin: 0;padding: 0;font-size: 14px; }
body,html{height: 100%;font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",SimSun,sans-serif;}
table{height: 100%;width: 100%;}
a{text-decoration: none;}
header{
    background-color: #409D76;
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    color: #fff;
}
.header h1{font-size: 55px;margin: 0 0 20px 0;}
.header h1 span{font-size: 55px;color: #17533A;font-weight: bold;;}
.btn {
    display: inline-block;
    padding: 4px 15px;
    cursor: pointer;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    touch-action: manipulation;
    cursor: pointer;
    user-select: none;
    background-image: none;
    border-radius: 4px;
    margin: 0 5px;

    color: #333;
    background-color: #fff;
    border-color: #ccc;
    transition: all .3s ease;
}
.btn:hover,.active{
    background: #216F4E;
    color: #fff;
}
.btn:active{
    background: #323232;
    color: #fff;
}
.describe{
    padding: 30px 15px;
    max-width: 500px;
    margin: 0 auto;
    line-height: 23px;
}
.fork-github {position: absolute; right: 0; top: 0;z-index: 9;}

.arrow{
   
    display:block;height:40px;
    position:absolute;width:40px;
    z-index:100;
    background:url(arrow.png) no-repeat;
    background-size:100% auto;
    bottom:-15px;
    left:50%;
    margin-left:-20px;
    -webkit-animation:touchstyle-arrow-vertical-animate 2s infinite;
    animation:touchstyle-arrow-vertical-animate 2s infinite;
}
@keyframes touchstyle-arrow-vertical-animate{
    0%{opacity:0;-webkit-transform:translateY(0);transform:translateY(0)}
    33%,66%{opacity:.8}
    50%{opacity:.8;-webkit-transform:translateY(-8px);transform:translateY(-8px)}
    100%{opacity:0;-webkit-transform:translateY(-16px);transform:translateY(-16px)}
}
@-webkit-keyframes touchstyle-arrow-vertical-animate{

    0%{opacity:0;-webkit-transform:translateY(0)}
    33%,66%{opacity:.8}
    50%{opacity:.8;-webkit-transform:translateY(-8px)}
    100%{opacity:0;-webkit-transform:translateY(-16px)}
}




@-moz-keyframes loading {
  0%, 100% {
    -moz-transform: scale(1) rotateZ(0deg);
    transform: scale(1) rotateZ(0deg);
    opacity: 1;
  }

  26% {
    -moz-transform: scale(1.1) rotateZ(12deg);
    transform: scale(1.1) rotateZ(12deg);
    opacity: .2;
  }

  76% {
    -moz-transform: scale(0.8) rotateZ(-8deg);
    transform: scale(0.8) rotateZ(-8deg);
    opacity: .6;
  }
}
@-webkit-keyframes loading {
  0%, 100% {
    -webkit-transform: scale(1) rotateZ(0deg);
    transform: scale(1) rotateZ(0deg);
    opacity: 1;
  }

  26% {
    -webkit-transform: scale(1.1) rotateZ(12deg);
    transform: scale(1.1) rotateZ(12deg);
    opacity: .2;
  }

  76% {
    -webkit-transform: scale(0.8) rotateZ(-8deg);
    transform: scale(0.8) rotateZ(-8deg);
    opacity: .6;
  }
}



.warpper_code {
    padding: 10px;
    max-width: 1020px;
    margin: 0 auto;
}
.warpper_code p{
    padding: 5px 0 5px 5px;
    line-height: 18px;
    margin: 2px 0;
}
.warpper_code pre {overflow: hidden;}
.warpper_code pre code{
    background: #F0F0F0;
    display: block;
}
.warpper_code code {
    -webkit-border-radius: 4px;
    border-radius: 4px;
    background-color: #ececec;
    padding: 1px 5px;
}