@import url("http://fonts.googleapis.com/css?family=Open+Sans:400|Raleway:300");
html {
  font-family: 'Open Sans', Helvetica, arial, sans-serif;
  
}
html *,
html *:before,
html *:after {
  box-sizing: border-box;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
html i, html em,
html b, html strong,
html span {
  -webkit-transition: none;
  transition: none;
}

*:before,
*:after {
  z-index: -1;
}

h1,
h4 {
  font-family: "微软雅黑";
  margin: 0;
  line-height: 1;
}

a {
  text-decoration: none;
  line-height: 40px;
  color: black;
}
}
.centerer {
  width: 1190px;
  max-width: 1190px;
  margin: 0 auto;
}

.wrap {
  width: 50%;
  float: left;
}

[class^="btn-"] {
  position: relative;
  display: block;
  margin: 5px 13px 5px 0px;
  width: 100%;
  height: 40px;
  max-width: 160px;
  text-transform: uppercase;
  overflow: hidden;
  border: 1px solid #008bd5;
  float: left;
}


.btn-2 {
  color: #055c97;
}
.btn-2:before {
  content: '';
  width: 0;
  height: 0;
  -webkit-transform: rotate(360deg);
  border-style: solid;
  border-width: 0 0 0 0;
  border-color: transparent transparent transparent #055c97;
  position: absolute;
  bottom: 0;
  left: 0;
}
.btn-2:after {
  content: '';
  width: 0;
  height: 0;
  -webkit-transform: rotate(360deg);
  border-style: solid;
  border-width: 0 0 0 0;
  border-color: transparent #055c97 transparent transparent;
  position: absolute;
  top: 0;
  right: 0;
}
.btn-2:hover {
  color: #ffffff;
}
.btn-2:hover:before {
  border-width: 165px 0 0 165px;
}
.btn-2:hover:after {
  border-width: 0 165px 165px 0;
}
.btn-2:active {
  background: #ffffff;
}

@-webkit-keyframes criss-cross-left {
  0% {
    left: -20px;
  }
  50% {
    left: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    left: 50%;
    width: 375px;
    height: 375px;
  }
}

@keyframes criss-cross-left {
  0% {
    left: -20px;
  }
  50% {
    left: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    left: 50%;
    width: 375px;
    height: 375px;
  }
}
@-webkit-keyframes criss-cross-right {
  0% {
    right: -20px;
  }
  50% {
    right: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    right: 50%;
    width: 375px;
    height: 375px;
  }
}
@keyframes criss-cross-right {
  0% {
    right: -20px;
  }
  50% {
    right: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    right: 50%;
    width: 375px;
    height: 375px;
  }
}
.btn-3 {
  color: #ff7800;
}
.btn-3:before {
  content: '';
  width: 0;
  height: 0;
  -webkit-transform: rotate(360deg);
  border-style: solid;
  border-width: 0 0 0 0;
  border-color: transparent transparent transparent #ff7800;
  position: absolute;
  bottom: 0;
  left: 0;
}
.btn-3:after {
  content: '';
  width: 0;
  height: 0;
  -webkit-transform: rotate(360deg);
  border-style: solid;
  border-width: 0 0 0 0;
  border-color: transparent #ff7800 transparent transparent;
  position: absolute;
  top: 0;
  right: 0;
}
.btn-3:hover {
  color: #ffffff;
}
.btn-3:hover:before {
  border-width: 165px 0 0 165px;
}
.btn-3:hover:after {
  border-width: 0 165px 165px 0;
}
.btn-3:active {
  background: #ffffff;
}