body, html {
    height: 100%;
    font-family: 'ZCOOL XiaoWei', serif;    
    font-size: 1rem;
  }
  
.logo{
    width: auto;
    height: 200px;
    margin-top: 50px;
    margin-bottom: 50px;

    -webkit-box-shadow: 0px 0px 25px -3px rgba(0,0,0,0.75);
-moz-box-shadow: 0px 0px 25px -3px rgba(0,0,0,0.75);
box-shadow: 0px 0px 25px -3px rgba(0,0,0,0.75);

}
.bg {
    
    background-image: url(../images/back3.jpg);    
    height: 100%;    
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}
.test{
    background-color: #00a8df; 
     /* #1c42c4; */
    /* padding: 30px; */
    border-bottom: #000000 solid 5px;
    text-align: center;
    font-size: 1.5em;

    -webkit-box-shadow: 0px 0px 67px -15px rgba(0,0,0,0.75);
    -moz-box-shadow: 0px 0px 67px -15px rgba(0,0,0,0.75);
    box-shadow: 0px 0px 67px -15px rgba(0,0,0,0.75);
    
}
.test a{
    color: #ffffff;
}
.test a:hover,.test a:focus,.test a:active{
    color: #ffffff;
    
}
.test-name{
    font-size: 0.8rem;
    text-align: center;
    color: #bae9fc;
}

  /* Fade */
.hvr-fade {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    /* box-shadow: 0 0 1px rgba(0, 0, 0, 0); */
    overflow: hidden;
    -webkit-transition-duration: 0.3s;
    transition-duration: 0.3s;
    -webkit-transition-property: color, background-color;
    transition-property: color, background-color;
  }
  .hvr-fade:hover, .hvr-fade:focus, .hvr-fade:active {
    background-color: #0789b4;
    color: white;
  }

  * Overline From Center */
.hvr-overline-from-center {
  display: inline-block;
  vertical-align: middle;
  -webkit-transform: perspective(1px) translateZ(0);
  transform: perspective(1px) translateZ(0);
  /* box-shadow: 0 0 1px rgba(0, 0, 0, 0); */
  position: relative;
  overflow: hidden;
}
.hvr-overline-from-center:before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 51%;
  right: 51%;
  top: 0;
  background: #000000;
  height: 4px;
  -webkit-transition-property: left, right;
  transition-property: left, right;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-timing-function: ease-out;
  transition-timing-function: ease-out;
}
.hvr-overline-from-center:hover:before, .hvr-overline-from-center:focus:before, .hvr-overline-from-center:active:before {
  left: 0;
  right: 0;
}


/* The side navigation menu */
.sidebar {
  margin: 0;
  padding: 0;
  width: 200px;
  background-color: #f1f1f1;
  position: fixed;
  height: 100%;
  overflow: auto;
}

/* Sidebar links */
.sidebar a {
  display: block;
  color: black;
  padding: 16px;
  text-decoration: none;
}

/* Active/current link */
.sidebar a.active {
  background-color: #4CAF50;
  color: white;
}

/* Links on mouse-over */
.sidebar a:hover:not(.active) {
  background-color: #555;
  color: white;
}

/* Page content. The value of the margin-left property should match the value of the sidebar's width property */
div.content {
  margin-left: 200px;
  padding: 1px 16px;
  height: 1000px;
}

/* On screens that are less than 700px wide, make the sidebar into a topbar */
@media screen and (max-width: 700px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  .sidebar a {float: left;}
  div.content {margin-left: 0;}
}

/* On screens that are less than 400px, display the bar vertically, instead of horizontally */
@media screen and (max-width: 400px) {
  .sidebar a {
    text-align: center;
    float: none;
  }
}

.question-height {
    width: 100%;
    height: 300px;
    overflow-y: scroll;
}
.question-height>img {
    
}

.question-title {
    border-bottom: 1px solid #333;
    padding-bottom: 12px;
}

.question-footer {
    border-bottom: 1px solid #333;
    padding-top: 14px;
}

.wrap-collabsible {
  margin-bottom: 1.2rem 0;
}

input[type='checkbox'] {
  display: none;
}

.lbl-toggle {
  display: block;

  font-weight: bold;
  font-family: monospace;
  font-size: 1.2rem;
  text-transform: uppercase;
  text-align: center;

  padding: 1rem;

  color: #A77B0E;
  background: #FAE042;

  cursor: pointer;

  border-radius: 7px;
  transition: all 0.25s ease-out;
}

.lbl-toggle:hover {
  color: #7C5A0B;
}

.lbl-toggle::before {
  content: ' ';
  display: inline-block;

  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 5px solid currentColor;
  vertical-align: middle;
  margin-right: .7rem;
  transform: translateY(-2px);

  transition: transform .2s ease-out;
}

.toggle:checked + .lbl-toggle::before {
  transform: rotate(90deg) translateX(-3px);
}

.collapsible-content {
  max-height: 0px;
  overflow: hidden;
  transition: max-height .25s ease-in-out;
}

.toggle:checked + .lbl-toggle + .collapsible-content {
  max-height: 100vh;
}

.toggle:checked + .lbl-toggle {
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.collapsible-content .content-inner {
  background: rgba(250, 224, 66, .2);
  border-bottom: 1px solid rgba(250, 224, 66, .45);
  border-bottom-left-radius: 7px;
  border-bottom-right-radius: 7px;
  padding: .5rem 1rem;
}

a {
  text-decoration: none;
  display: inline-block;
  padding: 8px 16px;
}

a:hover {
  background-color: #ddd;
  color: black;
}

.previous {
  background-color: #f1f1f1;
  color: black;
}

.next {
  background-color: #4CAF50;
  color: white;
}

.round {
  border-radius: 50%;
}
 .button {
         background-color: #1c87c9;
         border: none;
         color: white;
         padding: 20px 34px;
         text-align: center;
         text-decoration: none;
         display: inline-block;
         font-size: 20px;
         margin: 4px 2px;
         cursor: pointer;
         }
		 
 .buttong {
         background-color: #1cc9c3;
         border: none;
         color: white;
         padding: 10px 14px;
         text-align: center;
         text-decoration: none;
         display: inline-block;
         font-size: 20px;
         margin: 4px 2px;
         cursor: pointer;
         }
		 .buttong {border-radius: 50%;}
		 

.buttonm {
         background-color:#af4c7d;
         border: none;
         color: white;
         padding: 20px 34px;
         text-align: center;
         text-decoration: none;
         display: inline-block;
         font-size: 30px;
         margin: 4px 2px;
         cursor: pointer;
         }
		 .buttong {border-radius: 30%;}