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;
}
/*
.modal-body {
    max-height: 90vh;
    max-width: 15vh;
}*/
.modal-content {
    background-color: #e9ecef;
}
/*
.modal-dialog {
    top: 10vh;
    left: 40vw;
    width: 15vw;
    height: 90vw;
}

.modal-backdrop.fade {
    opacity: 0;
    filter: alpha(opacity=0);
}

.modal-backdrop.fade.in {
    opacity: 0;
    filter: alpha(opacity=0);
}*/

.letter-button {
    background: #ea797d;
    border-radius: 11px;
    box-shadow: -5px 5px #444444;
    padding: 10px 10px;
    color: #ffffff;
    display: inline-block;
    font: normal bold 14px/1 "Open Sans", sans-serif;
    text-align: center;
}

.test_box {
    padding: 0;
}

    .test_box .inner {
        background: #333;
        display: block;
        margin: 10px;
        overflow: hidden;
    }

        .test_box .inner .test_click {
            -webkit-align-content: center;
            -ms-flex-line-pack: center;
            align-content: center;
            -webkit-align-items: center;
            -ms-flex-align: center;
            align-items: center;
            background-color: rgba(0,0,0,.1);
            color: #fff;
            display: -webkit-flex;
            display: -ms-flexbox;
            display: flex;
            flex-wrap: wrap;
            height: 300px;
            mix-blend-mode: normal;
            text-align: center;
            text-decoration: none;
            -webkit-transition: all 300ms ease;
            transition: all 300ms ease;
        }

            .test_box .inner .test_click:hover {
                background-color: rgba(0,100,255,.5);
                mix-blend-mode: hard-light;
            }

.flex_this {
    -webkit-align-content: center;
    -ms-flex-line-pack: center;
    align-content: center;
    display: inherit;
    flex-wrap: inherit;
    height: auto;
    margin: 0;
    padding: 10px;
    -webkit-transition: all 300ms ease;
    transition: all 300ms ease;
    width: 100%;
}

.test_box .inner .test_click:hover .flex_this {
    margin-top: -5px;
}

.test_title {
    display: block;
    font-weight: 700;
    margin: 0 0 20px;
    width: 100%;
    text-shadow: 1px 1px 2px black;
}

.test_link {
    border: 2px solid #fff;
    display: inline-block;
    font-size: .8em;
    font-weight: 700;
    letter-spacing: .1em;
    margin: 0 auto;
    padding: 10px 30px;
    text-transform: uppercase;
    text-shadow: 1px 1px 2px black;
}