body {
    font-family: Arial, sans-serif;
}

#app {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

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

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

    100% {
        -webkit-transform: rotate(360deg);
    }
}

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

    100% {
        transform: rotate(360deg);
    }
}

@media (min-width: 600px) {
    #app {
        padding: 40px;
    }
}


table {
    margin-top: 30px;
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    border: 1px solid #ddd;
    padding: 8px;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color: #4CAF50;
    color: white;
}

@media screen and (max-width: 600px) {
    table {
        overflow-x: auto;
        display: block;
    }
}