* {
    box-sizing: border-box;
}

body {
    font: 100%/1.3 Verdana, Arial, Helvetica, sans-serif;
    color: #000;
    background: gray;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

#holder {
    background: #BCA9F5;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    max-width: 1200px;
    width: 100%;
}

header {
    background: #7401DF;
    width: 100%;
}

h1, h2, h4 {
    text-shadow: beige 2px 5px 8px;
    padding: 0.5rem 1rem;
}

nav {
    text-align: center;
    width: 100%;
}

nav ul {
    margin: 0;
    padding: 0.1rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    list-style: none;
}

nav ul li {
    margin: 0.5rem;
    font-size: 120%;
    padding: 0.5rem;
}

nav a:link, nav a:visited {
    display: inline-block;
    background-color: #9F81F7;
    border-radius: 0.5em;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    font-weight: bold;
    text-shadow: beige 2px 5px 8px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
    background-image: linear-gradient(#9F81F7, #7401DF);
    color: #000;
}

nav a:hover {
    color: beige;
}

main {
    padding: 2rem;
    flex: 1 1 100%;
    width: 100%;
}

aside {
    background: #9F81F7;
    padding: 1rem;
    flex: 1 1 100%;
}

aside p {
    font-variant: small-caps;
}

footer {
    padding: 1rem;
    border-top: 0.1rem solid blue;
    width: 100%;
    color: aquamarine;
    text-align: center;
}

.firma {
    font: bold 200% Georgia, "Times New Roman", Times, serif;
    color: beige;
    margin: 0;
    padding: 1.5rem;
}

#blumenbild {
    margin: 2rem auto;
    text-align: center;
    width: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.blumen {
    width: 180px;
    height: 180px; 
    border-radius: 0.5em;
    object-fit: cover;
}

.profilbild {
    width: 10rem;
    height: auto;
    float: left;
    margin: 0 1rem 1rem 0;
    border-radius: 0.5em;
}

article figure {
    float: left;
    margin-right: 1rem;
}

#formular {
    float: left;
    margin-left: 0;
    width: 100%;
    max-width: 400px;
}

#hallo {
    max-height: 3%;
}

@media (max-width: 768px) {
    .profilbild, #formular, article figure {
        float: none;
        display: block;
        margin: 10px auto;
        text-align: center;
    }

    #blumenbild {
        margin: 0 auto;
        display: block;
    }

    .blumen {
        width: 140px;
        height: 140px;
        margin: 10px auto;
    }

    nav ul {
        flex-direction: column;
    }

    nav ul li {
        width: 100%;
        margin: 5px 0;
    }

    nav a:link {
        display: block;
        width: 90%;
        margin: 0 auto;
    }

    main {
        padding: 1rem;
    }
}