:root {
    --green: #8CCF76;
    --dark-gray: #2e3034;
    --gray: #34302f;
    --white: #ffffff;
    --black: #000000;
    --font-color: #4b4b4b;
    --dim-font: #c9cfcf;
    --light-gray: #e8e8e8;
    --danger-red: #db2424;
    --milky-white: #f8f7f5;
    --light-green: #f2f7f2;
    --blue: #f33b3b;
    --light-blue:#F99D9D;
}

.management-body {
    display: grid;
    grid-template-columns: 100%;
    grid-template-rows: auto auto auto;
    grid-template-areas: "header" "main" "footer";
    justify-content: center;
}

.management-body header {
    grid-area: header;
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.3);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid #ddd;
    padding: 0;
}

.management-body header nav {
    margin: 0;
    padding: 0;
    min-height: 45px;
    z-index: 9999;
    width: 1000px;
}

.management-body header nav ul li a i {
    font-size: 14px;
    padding-top: 5px;
    color: #fff;
}

.management-body header img {
    margin: 0px 5px;
    padding: 0;
    width: 100px;
}

.management-body header nav a {
    color: #fff;
}

.management-body header nav ul li {
    margin: 0 10px;
    padding: 0;
}

.navbar-toggle-btn i {
    color: #fff;
    font-size: 20px;
    margin-top: 12px;
}

.management-body main {
    grid-area: main;
    min-height: 88vh;
    display: flex;
    justify-content: center;
    margin: 45px 0 0 0;
    background-color: #f2f2f2;
    overflow-x: hidden;
}

.management-body main section {
    max-width: 1000px;
}

.management-body footer {
    grid-area: footer;
    overflow: hidden;
    background-color: #d4d4d4;
    color: var(--font-color);
    text-align: center;
    height: 70px;
    padding: 25px 0;
    font-size: 14px;
    border-top: 1px solid #ccc;
}