.container {
    margin: 0px;
    padding: 0px;
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    background-color: rgb(175, 245, 221);
}

.img_banner img {
    height: 400px;
    width: 100%;
}

.header {
    min-height: 30px;
    background-color: rgb(10, 187, 187);
}

.container-main {
    width: 100%;
    min-height: 100vh;
    display: flex;
}

.container-left {
    flex: 2;
    background-color: rgb(135, 214, 214);
    min-height: 400px;
}

.container-right {
    flex: 8;
    background-color: rgb(177, 253, 253);
    min-height: 400px;
}

.footer {
    background-color: aquamarine;
    min-height: 30px;
}

ul {
    list-style: none;
    /* margin: 0;
    padding: 0;
    display: flex; */
}

ul li {
    margin-right: 20px;
}

ul li a {
    text-decoration: none;
    color: black;
    font-weight: bold;
}

ul a:hover {
    color: rgb(21, 116, 116);
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav ul li {
    margin-right: 20px;
}