html {
    font-size: 14px;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
    position: relative;
    min-height: 100%;
}

body {
    margin-bottom: 60px;
}

.btn-copy {
    margin: .5em;
}

    .btn-copy:hover {
        cursor: pointer;
        transition-duration: 0.1s;
        background-color: lightsalmon;
    }

.filebox {
    border: 1px solid gray;
    border-radius: 4px;
    padding: .5em;
    margin: .5em;
}

* input[type="file"] {
    display: none;
}

.F_Big {
    font-weight: bold;
    font-size: large;
}

.popup-silent {
    opacity: 0;
    transition-property: opacity;
    transition-timing-function: ease-in-out;
    transition-duration: 1s;
    border-width: 2px;
    border-style: solid;
    border-color: coral;
    border-radius: 4px;
    background-color: white;
    padding: 1em;
    font-weight: bold;
    font-size: large;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    color: cornflowerblue;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.popup-show {
    opacity: 1;
    transition-property: opacity;
    transition-timing-function: ease-in-out;
    transition-duration: 1s;
}