section {
    height: 100vh;
}

header h1 {
    color: #d9d9d9;
}

.color-header{
    background-color: #1c7430;
}

a {
    text-decoration: none !important;
}

/* spinner */
.jumbotron {
    background-color:rgb(238, 222, 78, 0.2) !important;
}

.spinner {
    border: 8px solid rgba(0, 0, 0, 0.1);
    border-left-color: #1c7430;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    position:absolute;
    left:50%;
    top:50%;
    z-index: 9999 !important;
    display: none;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}