.bg-head{background-repeat: no-repeat;background-attachment: fixed;background-position: center;-webkit-background-size: cover;-moz-background-size: cover;-o-background-size: cover;background-size: cover;padding:50px 30px;background-color:var(--bs-primary);}
.bg-head:before{position: absolute;top: 0;left: 0;width: 100%;height: 100%;opacity: 0.2;content: "";-webkit-transition: all 0.4s ease;-moz-transition: all 0.4s ease;transition: all 0.4s ease;z-index: 0;background:var(--bs-primary);}