.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

@media (min-width: 768px) {
    .bd-placeholder-img-lg {
        font-size: 4rem;
    }
}

.card {
    border: none;
    box-shadow: 0 0.5rem 1rem rgb(0 0 0 / 15%);
    border-radius: 1rem;
}

.bg-gray-100 {
    background-color: #f8f9fa !important;
}

.mst_headline {
    font-size: 30px;
}

.margin_top_10 {
    margin-top: 10px;
}

.display_none {
    display: none;
}

#cover_img {
    min-height: 400px;
    overflow: hidden;
    position: relative;
}

.mtt-5 {
    margin-top: 5px;
}

.hr {
    margin-top: 1rem;
    margin-bottom: 1rem;
    border: 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-link:hover {
    color: #00509d !important;
}

.navbar .btn {
    font-family: var(--bs-btn-font-family);
    font-size: var(--bs-btn-font-size);
    font-weight: var(--bs-btn-font-weight);
    line-height: var(--bs-btn-line-height);
    height: auto;
    padding: var(--bs-btn-padding-y) var(--bs-btn-padding-x);
    border: var(--bs-btn-border-width) solid var(--bs-btn-border-color);
}

.navbar .btn:hover {
    border-color: var(--bs-btn-hover-border-color);
}

a.btn[class*="btn-"] {
    font-family: var(--bs-btn-font-family);
    font-size: var(--bs-btn-font-size);
    font-weight: var(--bs-btn-font-weight);
    line-height: var(--bs-btn-line-height);
    height: auto;
    padding: var(--bs-btn-padding-y) var(--bs-btn-padding-x);
    border: var(--bs-btn-border-width) solid var(--bs-btn-border-color);
}

a.btn[class*="btn-"]:hover {
    border-color: var(--bs-btn-hover-border-color);
}

button.btn[class*="btn-"] {
    font-family: var(--bs-btn-font-family);
    font-size: var(--bs-btn-font-size);
    font-weight: var(--bs-btn-font-weight);
    line-height: var(--bs-btn-line-height);
    height: auto;
    padding: var(--bs-btn-padding-y) var(--bs-btn-padding-x);
    border: var(--bs-btn-border-width) solid var(--bs-btn-border-color);
}

button.btn[class*="btn-"]:hover {
    border-color: var(--bs-btn-hover-border-color);
}

.cover_img_div {
    min-height: 400px;
    width: 2000px;
    margin-left: 20%;
    height: auto;
    transform: translateX(-20%);
    background-image: url('/images/index2.png');
}

@media all and (min-width: 992px) {
    .navbar .nav-item .dropdown-menu {
        display: none;
    }

    .navbar .nav-item:hover .dropdown-menu {
        display: block;
    }

    .navbar .nav-item .dropdown-menu {
        margin-top: 0;
    }

    .navbar .nav-item .dropdown-menu .dropdown-item {
        color: #232f3e !important;
    }

    .navbar .nav-item .dropdown-menu .dropdown-item:hover {
        background-color: #e4eaea;
    }
}

.ec008c {
    color: #ec008c;
}

.bg-footer {
    background-color: #2f3337;
    color: #c0bebe;
}

.container-footer a {
    text-decoration: none;
    color: #c0bebe;
    cursor: pointer;
}

.container-footer a:hover {
    color: white;
}

.copy-button {
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.tip {
    background-color: #263646;
    padding: 0 4px;
    line-height: 27px;
    width: 100px;
    position: absolute;
    border-radius: 4px;
    z-index: 100;
    color: #fff;
    font-size: 13px;
    animation-name: tip;
    animation-duration: 9.6s;
    animation-fill-mode: both;
}

.tip::before {
    content: "";
    background-color: #263646;
    height: 10px;
    width: 10px;
    display: block;
    position: absolute;
    transform: rotate(45deg);
    top: -4px;
    left: 17px;
}

#copied_tip {
    animation-name: come_and_leave;
    animation-duration: 20s;
    animation-fill-mode: both;
    bottom: -35px;
    left: 2px;
}

main {
    background-color: #f1f4f8;
}

.font-16 {
    font-size: 16px;
}

.font-18 {
    font-size: 18px;
}

ul {
    list-style-type: none;
}

.blue {
    color: #00f;
}

.m_red {
    color: #f7086d;
}

.header_menu_ {
    display: flex;
    justify-content: center;
    align-items: center;
}

:root {
    --bs-body-font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}