@media only screen and (min-width: 60em) {

    /*every page*/
    .navigation {
		display: flex;
	}

	.navigation li:first-child {
		display: none;
	}

	.navigation li {
		display: block;
		flex: 1 1 100%;
    }
    footer {
		margin: auto;
    max-width: 900;
    width: 100%;
    }
    
    /*galerry page*/
    
.griddiv{
    display: grid;
    grid-gap: 15px;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}
}