@import url('https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.0/css/select2.min.css');

:root {
    --main-text: #020711;
}

body {
    background-color: #eceeee;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.nav {
    max-width: 1200px;
    padding: 20px;
    margin: 0 auto;
    position: relative;
    color: var(--main-text);
    display: flex;
}

.navbar-trans {
    box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.4);
    background-color: #eceeee;
}

.nav a {
    text-decoration: none;
    font-weight: bold;
}

.topic {
    float: right;
    position: absolute;
    right: 20px;
    bottom: 23px;
    font-size: larger;
}

.topic a {
    padding-left: 15px;
}

.topic_list,
.topic_main {
    display: inline;
}

.logo {
    float: left;
    font-size: x-large;
}

.nav_btn {
    display: none;
}

#nav_btn {
    width: 16px;
}

@media screen and (max-width: 650px) {
    .nav_btn {
        display: inline;
    }

    .topic_list {
        min-width: 132px;
        position: absolute;
        right: 0px;
        top: -250px;
        opacity: 0;
        padding: 8px;
        color: white;
        background-color: #687b85;
        border-radius: 12px;
        box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.4);
        transition: all 0.2s ease-in-out;
    }

    .topic_list a {
        display: block;
        padding: 8px 40px;
    }

    .topic_list.showing {
        top: 57px;
        opacity: 1;
    }
}

.content {
    margin-top: 76px;
    width: 100%;
    display: flex;
    flex-grow: 1;
    justify-content: center;
}

.main-box {
    max-width: 1200px;
    flex-grow: 1;
}

.footer {
    padding: 10px;
    width: 100%;
    bottom: 0px;
    text-align: center;
    color: gray;
}

.shadow{
	box-shadow: 1px 1px 10px Gainsboro;
}

.center-title {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
 }