html, body {
  position: relative;
  height: 100%;
}

html {
  background-color: white;
  overflow-x: hidden;
}

body {
  background-color: transparent;
  font-size: 16px;
}

img {
  max-width: 100%;
}

blockquote {
  font-size: inherit;
}

hr {
  border: 0;
  height: 1px;
  background: #c0c0c0;
}

hr.dotted {
  background: transparent;
  border-bottom: 1px dotted #c0c0c0;
  height: 0;
}

a {
  color: black;
}

a:hover,
a:active,
a:focus {
  color: red;
  text-decoration: none;
}

.container > .card {
  overflow: hidden;
}

.non-padding {
  padding: 0 !important;
}

@media (min-width: 768px) {
  .container {
  }
  
  .container > .card {
    background-color: white;
    -o-box-shadow:      1px 2px 4px rgba(0, 0, 0, 0.3);
    -ms-box-shadow:     1px 2px 4px rgba(0, 0, 0, 0.3);
    -moz-box-shadow:    1px 2px 4px rgba(0, 0, 0, 0.3);
    -webkit-box-shadow: 1px 2px 4px rgba(0, 0, 0, 0.3);
    box-shadow:         1px 2px 4px rgba(0, 0, 0, 0.3);
    
    position: relative;
  }
}

@media (min-width: 992px) {
  .container {
  }
}

@media (min-width: 1200px) {
  .container {
    /*width: 970px;*/
  }
}

/* for nav */
.nav {
  z-index: 100;
  width: 50px;
  height: 100%;
  position: absolute;
  padding: 15px 0;
}
.nav .navbar-nav {
  width: 100%;
}

.nav a {
  display: block;
  width: 100%;
  min-height: 40px;
  text-align: center;
}

.nav .nav-icon {
  font-size: 30px;
  line-height: 40px;
}

.content {
  height: 100%;
}