.d1 {
    display: block;
    position: absolute;
    width: 1200px;
    height: 100px;
    left: calc(calc(100% - 1200px)/2);
    top: 100px;
    border-style: solid;
    border-width: 2px;
    border-radius: 10px;
    border-color: rgba(112, 112, 112, 0.274);
    background-color: rgba(255, 255, 255, 0.205);
    backdrop-filter: blur(30px) brightness(100%) saturate(80%);
}

.d2 {
    display: -webkit-flex;
    display: flex;
    position: absolute;
    width: 1200px;
    height: 800px;
    left: calc(calc(100% - 1200px)/2);
    top: 220px;
    border-style: solid;
    border-width: 2px;
    border-radius: 10px;
    border-color: rgba(112, 112, 112, 0.274);
    background-color: rgba(255, 255, 255, 0.205);
    backdrop-filter: blur(30px) brightness(110%) saturate(70%);
}

.d3 {
    margin: 20px 40px;
}