* {
    background: #000;
}

p {
    font-size: 40px;
    color: #fff;
}

.block-white {
    height: 100px;
    background: #fff;
    border-radius: 10px;

    position: fixed;
    left: 50%;
    right: 50px;
    bottom: 100px;
}

.block-white__circle {
    height: 100px;
    width: 100px;
    background: #ff0000;
    border-radius: 100%;

    position: absolute ;
    left: 100px;
    bottom: 50px;

}