html, body{
    height: 100%;
}
body{
    margin: 0;
}
#wrapper{
    display: grid;
    grid-auto-rows: min-content auto min-content;
    grid-template-columns: minmax(0px, 1fr) repeat(6, minmax(0, 140px)) minmax(0px, 1fr);
    height: 100%;
    background-color: #D7D8D7;
}
header {
    grid-column: 2 / 8;
    grid-row: 1 / 2;
    background-color: #D7D8D7;
    min-height: 75px;
    
}
main{
    grid-column: 2 / 8 ;
    grid-row: 2 / 3;
    background-color: #333;
    grid-auto-rows: auto;
}
footer{
    grid-column: 1 / 9 ;
    grid-row: 3 / 4;
    background-color: #D7D8D7;
    min-height: 75px;
}
nav{
    font-family: sans-serif;
    grid-column: 2 / 8;
    grid-row: 1 / 3;
    display:flex;
    align-items: center;
}
nav ul{
    list-style-type: none;
    display: flex;
    margin:0; padding:0;
}
nav ul li a{
    padding: 1rem;
    display:block;
    font-size: 1.2rem;
}
li a{
    text-decoration: none;
    color: #000;
}
#header_wrap{
    display: flex;
    justify-content: space-between;
}
#logo_wrap{
    padding-left:1rem;
    padding-top:.5rem;
}
#photo_wrap{
    display:grid;
    grid-auto-rows: auto;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    height: 100%;
    grid-gap: 0.5rem;
    padding: 0.5rem;
    box-sizing: border-box;
}
.photoloc_1{
    grid-column: 1 / 4;
    grid-row: 1 / 4;
    background-image: url("images/pexels-pixabay-417173.jpg");
    background-size: cover;
    background-position: center;
}
.photoloc_2{
    grid-column: 4 / 7;
    grid-row: 1 / 5;
    background-image: url("images/pexels-daniel-handl-3853501.jpg");
    background-size: cover;
    background-position: center;
}
.photoloc_3{
    grid-column: 1 / 4;
    grid-row: 4 / 8;
    background-image: url("images/pexels-eberhard-grossgasteiger-1366919.jpg");
    background-size: cover;
    background-position: center;
}
.photoloc_4{
    grid-column: 4 / 7;
    grid-row: 5 / 8;
    background-image: url("images/pexels-alexander-popovkin-12784538.jpg");
    background-size: cover;
    background-position: center;
}
.photoloc_5{
    grid-column: 1 / 5;
    grid-row: 8 / 11;
    background-image: url("images/pexels-s-migaj-747964.jpg");
    background-size: cover;
    background-position: center;
}
.photoloc_6{
    grid-column: 5 / 7;
    grid-row: 8 / 11;
    background-image: url("images/pexels-simone-defendi-12762122.jpg");
    background-size: cover;
    background-position: center;
}