.menu {
    width:1325px;
    background:rgb(66, 140, 238);
    height: 55px;
   margin-left: 3px;
   margin-right: 3px;
  margin-top: -17px;
 
  
}
.menu li {
   
    list-style:none;
    font-family:'Ek Mukta';
}
.menu a {
    transition:all linear 0.15s;
    color:#6dbfee;
    text-decoration:none;
}
.menu li:hover > a {
    text-decoration:none;
    color: red;
    background-color: white;
}
.menu .arrow {
    font-size:11px;
    line-height:0%;
} 
.menu > ul > li {
 
    display:inline-block;
    position:relative;
    font-size:20px;
}
.menu > ul > li > a {
    padding:16px 30px;
    display:inline-block;
    color: white;
}
.menu > ul > li:hover > a {
    background:white;
}
.menu li:hover .sub-menu {

    opacity:1;
    z-index: 1;
}
.sub-menu {
    width: 100%;
    padding: 15px 0px;
    position:absolute;
    z-index:-1;
    opacity:0;
    background:rgb(66, 140, 238);
}
.sub-menu li {
    display:block;
    font-size: medium;
    align-items: center;
}
.sub-menu li a {
    padding:10px 30px;
    display:block;
    color: white;
    font-size: 20px;
    font-family: Arial, Helvetica, sans-serif;
}

.footer {
   
   
    width: 100%;
    height: 220px;
    background-color: lightgray;
    color: white;
margin-top: 650px;
 }
.left-page{
    width: 200px;
    height: 170px;
    overflow: hidden;
    float: left;
/*background-color: blue;*/
    padding: 15px 15px;
}
.middle-page{
    width: 790px;
    height: 200px;
    overflow: hidden;
    float: left;
/*background-color: rgb(255, 102, 0);*/
    padding: 15px 15px;
}
.right-page{
    width: 250px;
    height: 170px;
    overflow: hidden;
    float: left;
/*background-color: rgb(0, 255, 76);*/
    padding: 15px 15px;
}


/* le giua */
.middle-page p{
 margin-left: 150px;
 color: black;
 font-family: cursive;

}


.signin{
    border: 2px solid rgb(202, 210, 221);
    padding: 3cm;
    position: absolute;
    margin-top: 30px;
    left: 25%;

}
h2{
    margin-top: 0px;
    font-family: sans-serif;
    font-size: 50px;
    font-weight: lighter;
    text-align: center;
   
}
.sign{
display: block;
width: 320px;
height: 50px;
background-color: aliceblue;
font-family: sans-serif;
font-size: 18px;
font-weight: lighter;
margin-bottom: 10px;
padding-left: 10px;
border-radius: 5px;
outline: none;
}
 
.bt_signin{
    width: 100%;
    height: 50px;
    font-size: 18px;
    background-color: black;
    outline: none;
    
}    
    
.sign:hover{
    background-color: rgba(172, 165, 165, 0.9);
}

a{
    text-decoration: none;
    color: black;
}

body{
    -webkit-touch-callout: none;
          -webkit-user-select: none;
          -moz-user-select: none;
          -ms-user-select: none;
          -o-user-select: none;
           user-select: none;
}