a{
    text-decoration-line: none;
}

li{
    list-style: none;
    display: inline-block;
}

body {
    background: url('../img/background.jpg') no-repeat fixed center;
}
.container{
    width: 1080px;
    height: 900px;
    margin: 0 auto;
    display:flex;
    justify-content:center;
    align-items:center;

}
.container ul {
    display:table; 
    margin: auto;
    padding: 0;
}
.container ul li{
    margin:20px;
    width: 70px;
    height: 70px;
    background-color: rgba(0,0,0,0);
    border-radius: 5px;
    text-align: center;
}
.container ul li:hover{
    transform:translateY(-10px);
    transition:all 0.2s;
}
.container ul li a img{
    margin:5px;
    width: 48px;
    height: 48px;
    opacity: 1;

}
.container ul li a{
    color: white;
}