.dist2bike-form-footer {
    margin-top: 40px;
}

#form-system-error {
    display: none;
}

.loader-container {
    position: absolute;
    background: rgba(0, 0, 0, .25);
    width: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.dist2bike-block-distance {
    margin: 30px 0;
}

#edit-distance-file {
    display: block;
    width: calc(100% - 20px);
    height: 30px;
    line-height: 30px;
    padding: 0 10px 5px;
    border: none;
    border-bottom: 1px solid black;
    margin: 10px 0;
    box-shadow: none;
    background: #F7F7F7;
}

.description-block {
    margin-top: 30px;
}

.loader {
    border: 16px solid #f3f3f3; /* Light grey background */
    border-top: 16px solid #3498db; /* Blue top border */
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite; /* Apply the spin animation */
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}