body, html {
        margin: 0;
        font-family: Arial, sans-serif;
        background-color:  ;
        height: 100%;
    }
    .center {
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .middlelleft {
        position: absolute;
        top: 50%;
        transform: translate(0, -50%);
        margin-left: 30px;
        width: 50%;
    }