.site-header {
    background-color: rgba(61, 61, 61, 0.85);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    vertical-align: middle !important;
}
.site-header a {
    color: #ffffff;
    transition: ease-in-out color .15s;
    align-self: center;
}
.site-header a:hover {
    color: #fff;
    text-decoration: none;
}

.main-content {
    margin-right: 400px;
    padding: 0rem 2rem;
}
.product-card {
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 0.75rem;
    background-color: #fff;
}
.selected-items .rental-item {
    border: 1px solid #ccc;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}
#selected-items-container {
    position: fixed;
    top: 4.5rem;
    right: 0;
    width: 350px;
    height: calc(100% - 4.5rem);
    overflow-y: auto;
    background: #f8f9fa;
    border-left: 1px solid #ccc;
    padding: 1rem;
    z-index: 1050;
}
@media (max-width: 768px) {
    .main-content {
    margin-right: 0;
    }
    #selected-items-container {
    width: 100%;
    height: auto;
    position: static;
    border-left: none;
    padding: 1rem 0;
    }
}

.border-top { border-top: 1px solid #e5e5e5; }
.border-bottom { border-bottom: 1px solid #e5e5e5; }

/* .box-shadow { box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05); } */

.flex-equal > * {
-ms-flex: 1;
-webkit-box-flex: 1;
flex: 1;
}
@media (min-width: 768px) {
.flex-md-equal > * {
-ms-flex: 1;
-webkit-box-flex: 1;
flex: 1;
}
}

.overflow-hidden { overflow: hidden; }

.card { border: #ffffff;}