body{
background:black;
margin:0;
height:100vh;
display:flex;
justify-content:center;
align-items:center;
}

.container{
display:flex;
gap:60px;
}

.flag{
width:10vh;
height:6vh;
cursor:pointer;
filter:grayscale(200%) brightness(80%) sepia(90%) hue-rotate(-50deg) saturate(800%);
}

.flag:hover{
filter:grayscale(0%) brightness(90%);
}