.xemnhanh label {
    position: relative;
    display: block;
    overflow: hidden;
    text-align: center;
    cursor: pointer;
    font-weight: bold;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    line-height: 28px;
    font-size: 16px;   
}
.xemnhanh {
    display: block;
    background: #eff4f6;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    width: 98%;
    padding: 1.5%;
    font-size: 16px;
    margin: 10px 10px;
    text-align:left;
     float:left;
}
.menuxemtrong{
    margin-left:50px;
    line-height: 1.8;
}
.styh1{
    font-size: 20px;
    line-height: 123%;
    margin-bottom: 0px;
    margin-top: 3px;
    color: #2886cb;
    /*padding: 0 0 20px 0;*/
    font-weight: bold;
    text-transform: none;
    float:left !important;
    color: #111;
}
.stynoidung {
    color: #473f3f;
    font-size: 16px;
    font-family: arial;
    text-align: justify;
    line-height: 1.5;
    margin: 6px;
    float:left;   
}
.stytomtatbaiviet{
    float: left;
}
#menuxem1 {
    width:100%;
    float:left;
}
#menuxem1trong1 {
    width:100%;
    float:left;
}
#menuxem1trong2 {
    width:100%;
    float:left;
}

#menuxem2 {
    width:100%;
    float:left;
}
#menuxem2trong1 {
    width:100%;
    float:left;
}
#menuxem2trong2 {
    width:100%;
    float:left;
}

#menuxem3 {
    width:100%;
    float:left;
}
#menuxem3trong1 {
    width:100%;
    float:left;
}
#menuxem3trong2 {
    width:100%;
    float:left;
}

#menuxem4 {
    width:100%;
    float:left;
}
#menuxem4trong1 {
    width:100%;
    float:left;
}
#menuxem4trong2 {
    width:100%;
    float:left;
}

#menuxem5 {
    width:100%;
    float:left;
}
#menuxem5trong1 {
    width:100%;
    float:left;
}
#menuxem5trong2 {
    width:100%;
    float:left;
}

#menuxem6 {
    width:100%;
    float:left;
}
#menuxem6trong1 {
    width:100%;
    float:left;
}
#menuxem6trong2 {
    width:100%;
    float:left;
}
#menuxem7 {
    width:100%;
    float:left;
}
#menuxem7trong1 {
    width:100%;
    float:left;
}
#menuxem7trong2 {
    width:100%;
    float:left;
}
#menuxem8 {
    width:100%;
    float:left;
}
#menuxem8trong1 {
    width:100%;
    float:left;
}
#menuxem8trong2 {
    width:100%;
    float:left;
}
#menuxem9 {
    width:100%;
    float:left;
}
#menuxem9trong1 {
    width:100%;
    float:left;
}
#menuxem9trong2 {
    width:100%;
    float:left;
}
#menuxem10 {
    width:100%;
    float:left;
}
#menuxem10trong1 {
    width:100%;
    float:left;
}
#menuxem10trong2 {
    width:100%;
    float:left;
}
#menuxem11 {
    width:100%;
    float:left;
}
#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 30px;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color: #31892a;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

#myBtn:hover {
  background-color: #555;
}