body{
    background: url("ảnh/ảnh\ nền.jpg") no-repeat fixed;
    background-size:100%;
    height: 100%;
    width: 100%;
}
header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: aquamarine;
    height: 100px;
    margin-bottom: 20px;
}
.thanhmenu{
    margin-right: 5px;
}
.menu{
    display: none;
    background-color: rgb(116, 179, 234);
    position: absolute;
    margin-top: 0;
    border-radius: 10px;
    min-width: 100px;
    right: 13px;
}
.menu a{
    display: block;
    text-decoration: none;
    padding: 10px;
}
.menu a:hover{
    background-color: rgb(104, 135, 93);
    border-radius: 10px;
    border-bottom: 3px solid floralwhite;
    font-size: 1.3em;
    color: #ffffff;
}
/*.thanhmenu:hover{
    background-color: rgb(243, 40, 40);
    border-radius: 5px;
}*/

.thanhmenu:hover .menu{
    display: block;
}
.bx-menu{
    background-color: beige;
    border-radius: 10px;
    font-size: 50px;
}
.logo{
    height: 60px;
    padding: 0 0 0 20px ;
}
.congcu{
    padding-top: 120px;
    width: 100%;
    height: 40px;
    display: flex;
    justify-content: center;
}
.thanhtk{
    position: relative;
    display: flex;
    align-items: center;
    max-width: 60%;
    padding-top: 0;
}

.congcu{
    .ds{
        border-radius:20px;
        height: 30px;
        width: 395px ;
        margin-right: 10px;
        padding-left: 8px;
        appearance: none;
    }
    .vtht{
        border-radius:20px;
        height: 30px;
        width: 90px ;
    }
}
.lsgd {
    background-color: rgba(255,255,255,0.4);
    backdrop-filter: blur(5px);
    position: absolute;
    top: 180px;
    border: none;
    border-radius: 20px;
    max-width: 60%;
    width: 500px;
    height: 120px;
    
}
.tieudels {
    font-weight: bold;
    padding: 3px 0 0 10px
}

.ls {
    /*background-color: rgb(211, 224, 224);*/
    margin-top: 2px;
    display: flex;
    justify-content: center;
    gap: 10px;
    height: 95px;
    width: 100%px;
    display: none;
}
.tpls{
    background-color: rgb(124, 150, 96);
    border: 1px solid;
    margin: 4px;
    display: inline;
    align-items: center;
    width: 145px;
    height: 85px;
    border-radius: 8px;
}

.than{
    position: relative;
    top: 160px;
    display: flex;
    justify-content: center;
    gap: 40px;
}
.bando{
    width: 350px;
}
.bando p{
    text-align: center;
    margin: 2px;
}
.ttht{
    width: 500px;
    background-color: rgba(255,255,255,0.2);
    backdrop-filter: blur(20px);
}

.bando, .ttht{
    border: 1px solid;
    border-radius: 10px;
    height: 350px;
}
.map-canvas{
    width: 100%;
    height: 325px;
}
iframe{
    width: 100%;
    height: 100%;
    border: none;
}





.lienhe{
    position: fixed;
    bottom: 0;
    display: flex;
}
.lienhe .item{
    margin-right: 10px;
}