html,
body {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    font-family: "Segoe UI", Arial, sans-serif;
    padding: 0;
    margin: 0;
}

body {
    background-image: url("images/bg.png");
}

.header {
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 0;
    width: calc(100% - 40px);
    z-index: 100;
    padding: 20px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
}

.content {
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-direction: column;
    margin-top: 150px;
}

.card {
    background: white;
    border-radius: 4px;
    display: flex;
    margin: 1rem;
    padding: 1rem;
    position: relative;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    justify-content: center;
    align-items: center;
    max-width: 500px;
    flex-direction: column;
}

.card-content {
    font-family: 'Kalam', cursive;
    font-size: 15pt;
}

.title {
    text-align: center;
    font-weight: bold;
    color: black;
    font-size: 25px;
    margin-top: 15px;
}

/* Ripple effect BLUE*/
.ripple-blue {
    background-position: center;
    transition: background 0.8s;
}
.ripple-blue:hover {
    background: #206370 radial-gradient(circle, transparent 1%, #206370 1%) center/15000%;
}
.ripple-blue:active {
    background-color: #398291;
    background-size: 100%;
    transition: background 0s;
}

/* Ripple effect  BLUEGREEN*/
.ripple-blue-green {
    background-position: center;
    transition: background 0.8s;
}
.ripple-blue-green:hover {
    background: rgb(51, 180, 159) radial-gradient(circle, transparent 1%, rgb(51, 180, 159) 1%) center/15000%;
}
.ripple-blue-green:active {
    background-color: rgb(84, 214, 192);
    background-size: 100%;
    transition: background 0s;
}

/* Ripple effect  GREEN*/
.ripple-green {
    background-position: center;
    transition: background 0.8s;
}
.ripple-green:hover {
    background: rgb(151, 221, 141) radial-gradient(circle, transparent 1%, rgb(151, 221, 141) 1%) center/15000%;
}
.ripple-green:active {
    background-color: rgb(184, 240, 175);
    background-size: 100%;
    transition: background 0s;
}

/* Ripple effect  RED*/
.ripple-red {
    background-position: center;
    transition: background 0.8s;
}
.ripple-red:hover {
    background: rgb(216, 24, 24) radial-gradient(circle, transparent 1%, rgb(216, 24, 24) 1%) center/15000%;
}
.ripple-red:active {
    background-color: rgb(238, 67, 67);
    background-size: 100%;
    transition: background 0s;
}

/* Button style */
.button {
    border: none;
    border-radius: 2px;
    padding: 12px 18px;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    cursor: pointer;
    color: white;
    box-shadow: 0 0 4px #999;
    outline: none;
    margin: 10px 0px;
    width: 83%;
    max-width: 500px;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    cursor: pointer;
}

.blue {
    background-color: #154954;
}

.green {
    background-color: #7abf6f;
}

.blue-green {
    background-color: #259c89;
}

.red {
    background-color: rgb(175, 0, 0);
}

.text-img {
    width: 100%;
}

.footer {
    background-color: #333333;
    color: white;
    height: 150px;
    width: calc(100% - 20px);
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: 20px;
}

.impressum {
    align-items: flex-start;
}

.footer a{
    color: white;
}.video {
    width: 100%;
}