body{
margin: 0px auto;	
}
.nav{	
}
.block{
display:flex;
flex-direction: column;
margin-left: 20%;
margin-right: 20%;
    justify-content: center;
    align-items: center;
}
.img{
max-width: 100%;
}
.block2{
display:block;
}
.logo{
max-width: 10%;	
}
.img:hover{
border: 2px solid #44c767;
border-radius:15px;
}