body {
    /*padding-top: 50px;*/
    padding-bottom: 20px;
    font-size: 16px;
    margin-left: 5% !important;
    margin-right: 2%;
}

/* Set padding to keep content from hitting the edges */
.body-content {
    padding-left: 15px;
    padding-right: 15px;
}

/* Override the default bootstrap behavior where horizontal description lists 
   will truncate terms that are too long to fit in the left column 
*/
.dl-horizontal dt {
    white-space: normal;
}

/* Set width on the form input elements since they're 100% wide by default */
input,
select,
textarea {
    max-width: 280px;
}

div[style*="height: 65px;"] {
    display: none;
}

div[style*="margin-right: auto; margin-left: auto; display: table;  padding:9px; font-size:13pt;"] {
    display: none !important;
}

div[style*="margin-right: auto; margin-left: auto; display: table; font-size: 9pt; "] {
    display: none !important;
}

div[style*="opacity: 0.9; z-index: 2147483647; position: fixed; left: 0px; bottom: 0px; height: 65px; right: 0px; display: block; width: 100%; background-color: #202020; margin: 0px; padding: 0px;"] {
    display: none !important;
}

center {
    display: none !important;
}


.zalo {
    position: fixed;
    bottom: 139px;
    left: 30px;
    display: block;
    z-index: 5;
}

img {
    max-width: 100%;
}


.col-md-3 {
    min-width: 25%;
    margin-left: 10%
}

ul.topnav {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #5454a7;
    min-width: 100%;
}

    ul.topnav li {
        float: left
    }

        ul.topnav li a {
            display: inline-block;
            color: #f2f2f2;
            text-align: center;
            padding: 14px 16px;
            text-decoration: none;
            transition: .3s;
            font-size: 20px;
            font-weight: bold;
        }

            ul.topnav li a:hover {
                background-color: #555;
                width: auto !important;
                height: auto !important;
            }

        ul.topnav li.icon {
            display: none
        }

.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 14px 20px;
    margin-top: 4px; /* ⬅️ kéo nút xuống thấp hơn một chút */
    line-height: 1;
}

@media screen and (max-width:979px) {
    body {
        margin-left: 2%;
        margin-right: 1%;
    }

    .facebook {
        display: none !important;
    }

    .col-md-3 {
        margin-left: 0px;
        border-color: white !important;
        margin-top: 9px !important;
        margin-bottom: 29px !important;
        min-width: 45% !important;
    }
    
    ul.topnav li:not(:first-child) {
        display: none
    }

    ul.topnav li.icon {
        float: right;
        display: inline-block
    }

    ul.topnav.responsive {
        position: relative
    }

        ul.topnav.responsive li.icon {
            position: relative;
            right: 0;
            top: 0
        }

        ul.topnav.responsive li {
            float: none;
            display: inline
        }

            ul.topnav.responsive li a {
                display: block;
                text-align: left
            }


}

@media screen and (max-width:648px) {
    .col-md-3 {
        min-width: 100% !important;
    }
}