body {
    background-repeat: no-repeat;
    background-attachment: fixed;
 
}

header {
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(10px);
}


main {

    background: rgba(255,255,255,.85);
    backdrop-filter: blur(10px);

    margin: 4% auto; 
    padding: 3%;

    width: 1400px;
    max-width: 90%;

    border-radius: 6px;


}

.box_rot {
    background: #f00!important;
    padding: 20px;
    border-radius: 4px

}

.box_rot a {
    color: white!important
}