body {
    background: linear-gradient(to right, #65dfc9, #6cdbeb);
    background-size: 400% 400%;
    animation: gradient-animation 10s ease infinite;
}
  
  @keyframes gradient-animation {
    0% {
        background-position: 0% 50%;
    }
    25% {
        background-position: 50% 0%;
    }
    50% {
        background-position: 100% 50%;
    }
    75% {
        background-position: 50% 100%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.card-header {
    border-radius: 16px 16px 0 0 !important;
}

.card-footer {
    border-radius: 0 0 16px 16px !important;
}

.card, #tax_table_container {
    background: rgba(255, 255, 255, 0.4);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.modal-content {
    background: rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

#offcanvasScrolling {
    background: rgba(255, 255, 255, 0.6);
    border-top-right-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

#form-container {
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}