body {
    background: #262628;
    color: white;
    font-size: 30px;
}

.container {
    width: 100%;
    position: fixed;
    display: flex;
    justify-content: end;
}

.rectangle {
    position: fixed;
    bottom: 0px;
    right: 0px;
    width: 50%;
    height: 100px;
    background: rgb(186, 186, 186);
    border-radius: 10px;
    margin: 0px 50px 100px 0px;
}

.circle {
    background: red;
    width: 100px;
    height: 100px;
    border-radius: 50px;
    z-index: 1;
    position: absolute;
    left: 100px;
    bottom: 50px;
}