.center {
margin:0 auto;
position:absolute;
top:10%;left:50%;
-ms-transform:translate(-50%, 10%);
-webkit-transform:translate(-50%, 10%);
transform:translate(-50%, -11.5%);
text-align:center;
width:65vw;
background-image: url(images/mellowbg.jpg);
background-size: cover;
}

.back {
    width:50px;
    transform: scale(-1,-1);
}

.picoftheweek {
    border: 3px solid black;
    border-radius: 25px;
    width: 800px;
    height: 600px;
}

.gall{
    border: 3px solid black;
    border-radius: 25px;
    width: 400px;
    height: 300px;
}

.sectionbg{
    background-image: url(images/mellowbg.jpg);
    background-size: cover;
    width: 500px;
    height: 1000px;
}