.header-search {
    z-index: 1;
    display: flex;
}

.header-search .btn .fa {
    font-size: 1.2em;
}

.header-search-bar {
    display: flex;
    align-items: center;
    position: absolute;
    min-width: 17.5em;
    max-width: 80vw;
    left: 0;
    right: -1px;
    top: -4px;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .25s ease 0s, opacity .25s ease 0s, visibility 0s linear .25s;
    opacity: 0;
    z-index: 2;
}

.header-search-bar.in {
    transform: translateX(0%);
    visibility: visible;
    transition: transform .25s ease 0s, opacity .25s ease 0s, visibility 0s linear 0s;
    opacity: 1;
}

.header-search-bar .form-group {
    width: 100%;
    margin-bottom: 0;
}

.header-search-bar .form-control {
    background: #fff;
    height: 100%;
}

#close-search {
    position: absolute;
    left: -1em;
    background: none;
    border: none;
    font-size: 2em;
    color: var(--tertiary);
    padding: 0;
    margin: 0;
    line-height: 1;
}