:root {
    --max-width: 750px;
    --tertiary: lightblue;
    --transition-random: all ease 1s;
}
* {
    font-family: 'Quicksand', sans-serif;
}
body {
    margin: 0 auto;
    max-width: var(--max-width);
}
main {
    padding: 10px;
}
#modal-display-add-class {
    float: right;
    top: 0;
}
#modal-display-about {
    float: right;
    top: 0;
    margin-right: 5px;
}
#alert-display {
    padding: 10px;
}
.navs {
    position: fixed;
    bottom: 0;
    max-width: var(--max-width);
    width: 100%;
}
.class-nav {
    overflow-x: scroll;
    padding: 10px;
    background: var(--tertiary);
}
.tools-nav {
    overflow-x: scroll;
    padding: 10px;
    background-color: var(--tertiary);
    /* border-width: 15px;
    border-style: solid;
    border-bottom: none;
    border-left: none;
    border-right: none;
    border-image: 
        linear-gradient(
            to bottom,
            white,
            rgba(0,0,0,0)
        ) 100% 0 0 0/15px 0 0 0 stretch; */
}
.btn-class {
    margin: 5px;
}
#input-icon {
    font-family: 'FontAwesome', 'sans-serif';
}
#tool-display {
    padding: 10px;
    overflow-y: auto;
    display: flex;
    justify-content: center;
    overflow-y: scroll;
    margin-bottom: 185px;
    transition: var(--transition-random);
}
#display-class-name {
    display:flex;
    justify-content: center;
}
#action-buttons {
    padding: 10px;
    display: flex;
    justify-content: center;
    background-color: white;
}
#action-buttons button {
    width: 150px;
    margin: 5px;
}
#tool-header {
    display:flex;
    justify-content: center;
}
.selected-student {
    background-color: rgb(232, 232, 232);
    animation: fadeIn;
    visibility: visible;
}
.list-group {
    justify-content: center !important;
    transition: var(--transition-random);
}
.list-group-item {
    padding: 4px !important;
    display: flex;
    justify-content: center;
    vertical-align: middle;
    /* max-width: 50%; */
    font-size: small;
    transition: background-color ease 1s;
}
span[name="shuffle-badge"]{
    float: right;
}
.last {
    background-color: red;
}
.text-input-small {
    font-size: small;
    max-width: 65px;
    /* border-radius: 5px; */
    border: none;
    border-bottom: var(--primary) 2px solid;
    margin: 3px;
}
.fa-trash {
    cursor: pointer;
    color: red;
}
.fa-solid {
    cursor: pointer;
}
.fa-heart {
    color: red;
    animation: beat 0.75s infinite alternate;
	transform-origin: center;
}
/* Heart beat animation 
    Source: https://codepen.io/cjrh/pen/qEgbVw */
@keyframes beat{
	to { transform: scale(1.4); }
}
.btn-sm {
    padding: 0.5px 4px 0.5px 4px;
    font-size: smaller;
}
.first-last-buttons {
    float: right;
    margin-left: 5px;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}
@keyframes fadeOut {
    100% { opacity: 1; }
    0% { opacity: 0; }
}