.d1 {
    display: block;
    position: absolute;
    width: 1200px;
    height: 500px;
    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, 208, 0, 0.384);
    backdrop-filter: blur(30px) brightness(100%) saturate(80%);
}

.a2 {
    text-align: center;
    height: 84px;
    width: 800px;
    margin: 20px auto;
}

.bt {
    border-radius: 10px;
    background-color: #ffffff00;
}

.t1 {
    background: linear-gradient(to right, #00ffaa, #003cff);
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-align: center;
}