body {
    max-width: auto;
    margin-left: auto;
    margin-right: auto;
    
}

.wrapper {
    background-image: linear-gradient(#000000,#00ffff);
    max-width: 1150px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
    height: 1200px;
    border-block: solid;
    border-radius: 40px 40px;
    box-shadow: 10px 10px 8px #000000;
}

.pannel_left {
    width: 250px;
    float: left;
    border: 2px solid white;
    border-radius: 5px 5px;
    margin-right: 20px;
    height: 750px;
}

.pannel_right {
    width: 870px;
    float: left;
    border-block: solid;
    margin-right: auto;
    height: 750px;
    border: 2px solid white;
}