body{
  margin: 0;
  padding: 0;
  background: #f1f1f1;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.container{
  position: absolute;
  width: 1212px;
  display: inline-block;
  left: 50%;
  -webkit-transform: translatex(-50%);
  -ms-transform: translatex(-50%);
  transform: translatex(-50%);
}

@media screen and (max-width:1400px){
  .container{
    width: 808px;
  }
}

@media screen and (max-width:1000px){
  .container{
    width: 404px;
  }
}

.sxview{
  position: absolute;
  font-size: 16px;
  line-height: 26px;
  right: 10%;
  color: #3498db;
  font-weight: bold;
  cursor: pointer;
}

.sxview:hover{
  text-decoration: underline;
}

.box{
  display: inline-block;
  text-align: center;
  float: left;
  height: 460px;
  width: 360px;
  margin: 20px;
  border: 2px solid #aaa;
  border-radius: 50px;
  background-color: #fcfcfc;
}

.subject{
  position: relative;
  top: 5%;
  font-size: 20px;
}

.item{
  text-align: left;
  position: relative;
  width: 90%;
  height: 80%;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%,-50%);
  -ms-transform: translate(-50%,-50%);
  transform: translate(-50%,-50%);
  border: 2px solid #666;
  overflow-y: scroll;
  border-radius: 10px;
  background-color: #f3f3f3;
}

p{
  margin: 1px 0;
  padding: 10px 20px;
  cursor: pointer;
  transition: 0.3s;
}

p:hover{
  text-decoration: underline;
  background-color: #fafafa;
}

i{
  margin-right: 20px;
}

h2{
  color:red;
  cursor: pointer;
}

h2:hover{
  text-decoration: underline;
}