html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    background-image: url('images/theme.png');
    background-size: 120%;
    background-attachment: fixed;
}

.header {
    background: #000000;
    color: white;
    text-align: center;
    padding: 40px;
    border-bottom: 4px solid #ff0000;
}

.buttons {
    text-align: right;
    background: #000000;
    font-family: Arial;
    border-bottom: 4px solid #ff0000;
}

.heading_h1 {
    font-family: Arial;
    font-size: 400%;
    margin: 20px;
}

.heading_h2 {
    font-family: Arial;
    font-size: 200%;
    margin: 20px;
}

.contentbox {
    color: white;
    font-family: Arial;
    font-size: 16px;
    width: 70%;
    border: 4px solid #ff0000;
    border-radius: 15px;
    margin: 0 auto;
    padding: 20px;
    background: #000000;
    margin-top: 50px;
    flex: 1;
}

.contentbox img {
    max-width: 100%;
    height: auto;
}

.footerimg {
    width: 50%;
    height: auto;
}

.footer {
    text-align: center;
    background: #000000;
    padding: 20px;
    border-top: 4px solid #ff0000;
    margin-top: 50px;
}

.button {
    display: inline-block;
    padding: 5px;
    color: white;
    border-left: 2px solid #ff0000;
    text-align: center;
}

.image {
    width: 100%;
    height: auto;
    max-width: 100%;
    max-height: 100%;
}

.imgdiv {
    flex: 1 1 45%;
    margin: 0 2.5%;
    box-sizing: border-box;
}

.images {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.my-photo {
    max-width: 50px;
    height: auto;
    display: block;
    margin: 0;
}

.icon {
    height: 15px;
    width: auto;
}

.commands {
    font-family: Courier New !important;
    font-size: 14px !important;
    background: #ffffff !important;
    color: #000000 !important;
}

@media (max-width: 768px) {
    .imgdiv {
        flex: 1 1 100%;
        margin: 10px 0;
    }
}