* {
    box-sizing: border-box;
    font: 16px Arial, sans-serif;
    margin: 0;
    color: #424242;
}

html {
    margin: 0;
    padding: 0;
}

body {
    background: #23292d;
    margin: 0;
    color: #fff;
    display: flex;
    justify-content: center;
}

a {
    background-color: transparent;
    color: #fff;
}

a:hover {
    text-decoration: none;
}

h1,
h2 {
    display: inline-block;
    font-size: 2em;
    margin: 0 0 0.67em;
}

h2 {
    font-size: 1.5em;
}

ul,
ol {
    list-style: none;
    padding: 0 0 0 15px;
}

img {
    border-style: none;
}

/* main */

.wrapper {
    width: 960px;
    margin: 15px;
    display: flex;
    flex-direction: column;
    background: #fff;
    -webkit-box-shadow: 0px 0px 20px -2px rgba(255,255,255,1);
    -moz-box-shadow: 0px 0px 20px -2px rgba(255,255,255,1);
    box-shadow: 0px 0px 20px -2px rgba(255,255,255,1);
}

header {
    background: #f1c50d;
    padding: 25px 15px;
    display: flex;
    justify-content: space-between;
}

.brand_logotype {
    font-weight: bold;
    color: #000;
    font-size: 26px;
    cursor: pointer;
    text-transform: uppercase;
}

.btn-style {
    border: 2px solid #000;
    border-radius: 10px;
    color: #000;
    font-size: 18px;
    text-transform: uppercase;
    padding: 10px;
    margin-left: 15px;
    cursor: pointer;
}

.btn1 {
    margin-left: 0;
}

.btn2 {
    background: #000;
    color: #f1c50d;
}

/* content */

.brand_content-box {
    padding: 25px 15px;
}

.brand_content {
    background: #262634;
    -webkit-box-shadow: inset 0px 0px 6px 1px rgba(221,235,230,1);
    -moz-box-shadow: inset 0px 0px 6px 1px rgba(221,235,230,1);
    box-shadow: inset 0px 0px 6px 1px rgba(221,235,230,1);
}

.brand_content-box p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.brand_content-box li {
    color: #424242;
    margin-bottom: 12px;
}

.brand_content-box li a {
    color: #424242;
}

.brand_content-box table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid #ccc;
    margin: 25px 0;
}

.brand_content-box table td {
    padding: 10px;
    border: 1px solid #ccc;
}

.brand_content-box table tr:nth-child(odd) {
    background: #f1c50d;
    color: #fff;
}

.brand_content-box table tr:nth-child(even) {
    background: #fff;
    color: #f1c50d;
}

.brand_footer {
    background-color: #414141;
    padding: 20px 0;
}

/* footer */

footer {
    background: #f1c50d;
    padding: 25px 15px;
    text-align: center;
}

footer span {
    font-weight: bold;
    border-bottom: 1px solid #000;
}

/* responsive */

@media (max-width: 550px) {
    header {
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        padding-bottom: 30px;
    }
    .brand_logotype {
        margin-bottom: 33px;
    }
}