.logo {
    width: 300px;
}

.container {
    border-color: #1947ba;
    border: inherit;
    border-radius: 50%;
}

.lightblue {
    background: #1093ff;
}

.image {
    height: auto;
    width: 100%;
    margin-top: 10%;
}

.blue {
    background: #1947ba;
    text-align: center;
}

.uebungen {
    color: #ffffff;
    font-family: Ubuntu, sans-serif, sans-serif;
    font-size: 18px;
    line-height: 22px;
    text-align: left;
    margin-left: 7%;
}

.video {
    padding-top: 10%;
    padding-bottom: 10%;
    width: 80%;
    height: auto;
}

.text {
    color: #1947ba;
    font-family: Ubuntu, sans-serif, sans-serif;
    font-size: 18px;
    padding-top: 20px;
}

.circle {
    background-color: #1947ba;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    border: none;
    float: left;
    margin-right: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.nummer {
    color: #ffffff;
    font-family: Ubuntu, sans-serif, sans-serif;
    font-size: 14px;
}