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

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

.loader {
    border: 16px solid #f3f3f3; /* Light grey */
    border-top: 16px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 2s linear infinite;
}


.cover {
    position:fixed;
    padding:0;
    margin:0;

    top:0;
    left:0;

    width: 100%;
    height: 100%;
    background: rgba(180, 180, 180, 0.5);
}


.dialog {
    border: medium solid #3498db;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: white;
    /* Centering on the screen: */
    position: fixed;
    top:25%;
    left:40%;
    width:60%;
    min-height:200px;
    margin: 0 0 0 -20%;
}


@keyframes fadein {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@-webkit-keyframes fadein {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.dialog-component {
    cursor: progress;
    z-index: 5;
    opacity: 0;
    animation: fadein 0.5s ease-in 1s forwards;
    -moz-animation: fadein 0.5s ease-in 1s forwards; /* Firefox */
    -webkit-animation: fadein 0.5s ease-in 1s forwards; /* Safari and Chrome */
    -o-animation: fadein 0.5s ease-in 1s forwards; /* Opera */
}