global.css

html, body {
    position: relative;
    width: 100%;
    height: 100%;
}

body {
    color: #333;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

a {
    color: rgb(0, 100, 200);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

a:visited {
    color: rgb(0, 80, 160);
}

label {
    display: block;
}

input, button, select, textarea {
    font-family: inherit;
    font-size: inherit;
    padding: 0.4em;
    margin: 0 0 0.5em 0;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 2px;
}

input:disabled {
    color: #ccc;
}

input[type="range"] {
    height: 0;
}

button {
    background-color: #f4f4f4;
    outline: none;
}

button:active {
    background-color: #ddd;
}

button:focus {
    border-color: #666;
}


.block {
    display: block;
}


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body {
    overflow-y: scroll;
    min-width: 1000px;
    margin: 0;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: top;
    background-size: cover;
}


.flex {
    display: flex;
}


.flex-grow-1 {
    flex-grow: 1;
}


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

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.fill-screen {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
}


.text-center {
    text-align: center;
}


/* strong */

.margin-center {
    margin-right: auto;
    margin-left: auto;
}


/* */

.base-link {
    padding-left: 10px;
}

.base-link.active {
    color: black;
    text-decoration: underline;
}


h1, h2, h3, h4, h5, h6 {
    color: #525252;
}