* {
    font-family: 'Spectral', sans-serif;
    box-sizing: border-box;
}

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(255, 255, 255,75%);
    display: flex;
}

.hidden {
    display: none !important;
}

.loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    border: 24px solid #f3f3f3;
    border-top: 24px solid #3498db;
    border-radius: 50%;
    width: 244px;
    height: 244px;
    animation: spin 1.25s linear infinite;
}

.loader.ahead {
    border: 24px solid #f3f3f300;
    border-top: 24px solid #3498db66;
    animation-name: spin-ahead;
}

.loader.behind {
    border: 24px solid #f3f3f300;
    border-top: 24px solid #3498db88;
    animation-name: spin-behind;
}


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

@keyframes spin-ahead {
    0% { transform: rotate(0deg); }
    50% { transform: rotate(270deg); }
    100% { transform: rotate(360deg); }
}

@keyframes spin-behind {
    0% { transform: rotate(0deg); }
    50% { transform: rotate(90deg); }
    100% { transform: rotate(360deg); }
}

body {
    margin: 24px;
    display: flex;
    flex-direction: column;
}

div.super {
    text-align: right;
    margin: 6px 16px;
}

div.super a {
    color: #4287f5;
    font-weight: bold;
    text-decoration: none;
}

div.top {
    flex: 3;
    display: flex;
    flex-direction: row;
    margin-bottom: 24px;
}

div.column {
    flex: 1;
    display: flex;
    flex-direction: column;
}

div.section {
    margin-bottom: 36px;
}

div.section .header {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 16px;
}

.item {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.item.buffer {
    padding: 0 32px 16px;
}

.side-by-side {
    flex: 1;
    display: flex;
    flex-direction: row;
}

.side-by-side .buffer {
    margin-left: 12px;
    margin-right: 12px;
}

div.section .item .label {
    font-weight: bold;
}

input, select {
    width: 140px;
    margin-right: 4px;
}

input.short, select.short {
    width: 48px;
}

.value {
    min-width: 56px;
    min-height: 28px;
    text-align: left;
    padding-left: 16px;
    white-space: pre;
}

div.bottom {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

div.bottom button {
    margin: 0 auto 24px;
    height: 44px;
    width: 148px;
    font-size: 15px;
    font-weight: bold;
}