styles.css

*{
    margin: 0;
    padding: 0;
}

.main-conatiner{
    position: absolute;
    width: 400px;
    height: 300px;
    top: 50%;
    left: 50%;
    margin-top: -200px;
    margin-left: -200px;
    border-radius: 5px;
    box-shadow: 9px 6px 12px 0 rgba(0, 0, 0, 0.5); 
    overflow: hidden;
    background-color: #243D83;
     display: flex;
    justify-content: center;
    align-items: center;
}

.lines-container {
    width: 200px;
    height: 200px;
    position: relative;
}

.line {
    position: absolute;
    background-color: #6592CF;
    border-top-left-radius: 50%;
    border-top-right-radius: 50%;
}

.line:nth-child(1) {
    top: 10px;
    left: -40px;
    width: 280px;
    height: 280px;
}

.line:nth-child(2) {
    top: 30px;
    left: -20px;
    width: 240px;
    height: 240px;
    background-color: #243D83;
    border-top-left-radius: 50;
}

.line:nth-child(3) {
    top: 50px;
    left: 0;
    width: 200px;
    height: 200px;
    border-top-left-radius: 50;
}

.line:nth-child(4) {
    background-color: #243D83;
    top: 70px;
    left: 20px;
    width: 160px;
    height: 180px;
    border-top-left-radius: 80px;
    border-top-right-radius: 80px;
}

.line:nth-child(5) {
    top: 90px;
    left: 40px;
    width: 120px;
    height: 160px;
    background-color: #6592CF;
    border-top-right-radius: 60px;
    border-top-left-radius: 60px;
}

.line:nth-child(6) {
    top: 110px;
    left: 60px;
    width: 80px;
    height: 180px;
    background-color: #243D83;
    border-top-right-radius: 40px;
    border-top-left-radius: 40px;
}