/*
 * Globals
 */

 /* Links */
 a,
 a:focus,
 a:hover {
  color: #fff;
}

/* Custom default button */
.btn-default,
.btn-default:hover,
.btn-default:focus {
  color: #333;
  text-shadow: none; /* Prevent inheritence from `body` */
  background-color: #fff;
  border: 1px solid #fff;
}


/*
 * Base structure
 */

 html,
 body {
  height: 100vh;
  font-family: "Helvetica Neue", Helvetica,  "Hiragino Sans GB", "Hiragino Sans GB W3", "Microsoft YaHei", sans-serif;
}
body {
  color: #fff;
  text-align: center;
}

/* Extra markup and styles for table-esque vertical and horizontal centering */
.site-wrapper {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: url("../back005.png") center/contain no-repeat;
}
.mask {
  position: absolute;
  width: 100vw;
  height: 100vh;
  /* background-color: rgba(0, 0, 0, 0.1); */
  /* backdrop-filter: blur(2px); */
  z-index: 9;
}
.cover-container {
  position: absolute;
  width: 100vw;
  height: 100vh;
  z-index: 99;
  display: flex;
  flex-direction: column;
}

/* Padding for spacing */
.inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
}


/*
 * Header
 */
 .masthead-brand {
  margin-top: 0;
  margin-bottom: 10px;
  width: 200px;
  height: 60px;
  background: url(../logo.png) center/100% no-repeat;
}

.masthead-nav > li {
  display: inline-block;
  margin-left: 40px;
}
.masthead-nav > li + li {
  margin-left: 20px;
}
.masthead-nav > li > a {
  padding-right: 0;
  padding-left: 0;
  font-size: 26px;
  font-weight: bold;
  color: #fff; /* IE8 proofing */
  color: rgba(255,255,255,.75);
  border-bottom: 4px solid transparent;
}
.masthead-nav > li > a:hover,
.masthead-nav > li > a:focus {
  background-color: transparent;
  border-color: #fff;
}
.masthead-nav > .active > a,
.masthead-nav > .active > a:hover,
.masthead-nav > .active > a:focus {
  color: #fff;
  border-bottom-color: #fff;
}

@media (min-width: 768px) {
  .masthead-brand {
    float: left;
  }
  .masthead-nav {
    float: right;
  }
}


/*
 * Cover
 */

.cover {
  padding: 0 20px 60px 20px;
}
.cover .btn-lg {
  padding: 10px 20px;
  font-weight: bold;
}
.btn-outline:focus,
.btn-outline:hover{
  color:#fff;
  background-color:#ff2d51;
  border-color:#563d7c
}
  
  
  /*
  * Affix and center
  */
.masthead {
  display: flex;
  align-items: center;
  padding: 0 3vw;
  box-sizing: border-box;
  height: 10vh;
}
.mastfoot {
  position: fixed;
  bottom: 0;
  color: #999;
  height: 3vh;
  display: flex;
  justify-content: center;
  align-items: center;
  a {
    color: #333;
  }
}
/* Start the vertical centering */
.site-wrapper-inner {
  vertical-align: middle;
}
/* Handle the widths */
.masthead,
.mastfoot,
.cover-container {
  width: 100%; /* Must be percentage or pixels for horizontal alignment */
}