*{
    box-sizing: border-box; margin: 0; padding: 0;
}
.main{
     max-width: 1200px; margin: 0 auto;
}
body{ margin: 0; padding: 0;}
.gallery-back{
     width: 100%; height: auto; float: left;
}
.gallery-back .portion{ width: 33.33333%; height: auto; float: left; padding: 0 15px; margin-bottom: 30px;}
.gallery-back .portion .back{ width: 100%; height: auto; float: left; padding: 15px; background-color: #c49e79; text-decoration: none; border-radius: 5px; box-shadow: rgba(0,0,0,.2) 1px 0 15px;  }
.gallery-back .portion img{ width: 100%; height: 300px; float: left; object-fit: cover;}
.gallery-back .portion .title{ width: 100%; text-align: left; color: #fff; text-transform: capitalize; padding: 15px; float: left; font-size: 24px; margin: 0;}
.main-header-menu .sub-menu {width: 356px;background-color: #0b9444;}

@media only screen and (max-width:800px){
    .gallery-back .portion{ width: 50%; }
}

@media only screen and (max-width:500px){
    .gallery-back .portion{ width: 100%; }
}