.heading { font-size: 27px; font-weight: 700; }
.list-img-all { display: flex; flex-wrap: wrap; padding-left: unset; margin: -8px; list-style: none;}
.list-img-all .item { width: 50%; padding: 8px;}
.list-img-all .item:nth-child(5n+5) { width: 100%; }
.des-main { font-size: 22px; font-weight:  700;}