body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
    BACKGROUND-IMAGE: url("../images/gradient-network-connection-background_23-2148879890.jpg");
    BACKGROUND-SIZE: cover;
    BACKGROUND-ATTACHMENT: fixed;
}

main {
    padding: 20px;
}

.main-menu-wrapper {
    display: flex;
    align-items: stretch;
    gap: 20px;
    font-size: 18px;
    flex-wrap: nowrap;
}

.main-menu-left,
.main-menu-center,
.main-menu-right {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    flex: 1;
    min-width: 280px;
}

.main-menu-left div,
.main-menu-center div {
    margin-bottom: 20px;
}

a {
    display: block;
    font-weight: bold;
    margin-bottom: 10px;
}

button {
    background-color: #007bff;
    border: none;
    color: #fff;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}



.notification {
    padding: 10px;
    border-left: 5px solid #999;
    margin-bottom: 10px;
}
.btn-signup {display:inline-flex;
    align-items:center;
    justify-content:center;
    height:32px;
    line-height:1;padding:0 10px;
    width:auto;
    margin-left:8px;white-space:nowrap;
  }