body {
    background-color: #272626;
    color: white;
}

.elem {
    position: fixed;
    right: 0;
    bottom: 100px;
    margin-right: 50px;
}

.box {
    position: relative;
    min-height: 100px;
    background-color: #fff;
    width: 50vw;
    border-radius: 20px;
}

.circle {
    position: absolute;
    bottom: 50px;
    left: 100px;
    width: 100px;
    height: 100px;
    background-color: red;
    border-radius: 100%;
}