body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
.background {
    background-image: url('opel.jpg'); /* Pfad zum Hintergrundbild */
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.impressum-box {
    background: rgba(0, 0, 0, 0.7); /* Hintergrundfarbe der Box */
    color: rgb(255, 255, 255);
    padding: 20px;
    border-radius: 10px;
    max-width: 600px;
    text-align: center;
}
.button-85 {
    padding: 0.6em 2em;
    border: none;
    outline: none;
    color: rgb(255, 255, 255);
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    margin-top: 20px;
}

.button-85:before {
    content: "";
    background: linear-gradient(
        45deg,
        #ff0000,
        #ff7300,
        #fffb00,
        #48ff00,
        #00ffd5,
        #002bff,
        #7a00ff,
        #ff00c8,
        #ff0000
    );
    position: absolute;
    top: -2px;
    left: -2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    -webkit-filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing-button-85 20s linear infinite;
    transition: opacity 0.3s ease-in-out;
    border-radius: 10px;
}

@keyframes glowing-button-85 {
    0% {
        background-position: 0 0;
    }
    50% {
        background-position: 400% 0;
    }
    100% {
        background-position: 0 0;
    }
}

.button-85:after {
    z-index: -1;
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #222;
    left: 0;
    top: 0;
    border-radius: 10px;
}

footer {
    background: rgba(0, 0, 0, 0.479);
    color: rgb(255, 255, 255);
    text-align: center;
    padding: 10px;
    position: fixed;
    width: 100%;
    bottom: 0;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: url('img/opel.jpg') no-repeat center center fixed;
    background-size: cover;
    color: rgb(255, 255, 255);
    background-color: #000000;
  }