button:disabled {
    background: #ccc;
    cursor: default;
}

.loader {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #FF8C00;
    width: 120px;
    height: 120px;
    -webkit-animation: spin 2s linear infinite; /* Safari */
    animation: spin 2s linear infinite;
    margin: 0 auto;
}

/* Safari */
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}

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

#overlay {
    display: none;
    width: 100%;
    height: 100vh;
    min-height: auto;
    position: fixed;
    z-index: 999;
    background: #fff;
    text-align: center;
    opacity: 0.95;
}

#overlay h2 {
font-size: 24px;
}

#info {
    position: fixed;
    width: 500px;
    height: 200px;
    top: 50%;
    left: 50%;
    margin-top: -100px; /* Negative half of height. */
    margin-left: -250px; /* Negative half of width. */
}

@media (max-width: 600px) {
#info {
    position: fixed;
    width: auto;
    height: 200px;
    top: 50%;
    left: 0;
    margin-top: 0;
    margin-left: 0;
    margin: 0 auto;
    }
}

.client_contact_visible {
    display: block;
}

.select2-container {
    max-width: 300px;
}