.modal {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    max-height: 85%;
    overflow-y: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 50%;
}

.loader {
    border: 10px solid #f3f3f3;
    border-top: 10px solid #FF9800;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: none;
    animation: spin 2s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.close {
    color: #aaaaaa;
    float: right;
    padding: 5px;
    font-size: 28px;
    font-weight: bold;
}

.title {
    font-size: x-large;
    font-weight: bold;
    padding-top: 5px;
    line-height: 1;
    padding-left: 5px;
    margin: 5px 0px 5px 0px;
}

.description {
    padding: 5px;
    font-size: 15px;
    font-weight: normal;
}

.profname {
    margin-left: 5px;
    padding-bottom: 5px;
    font-size: medium;
    margin-top: 5px;
}

.dateTimePlace {
    margin-left: 5px;
    font-size: smaller;
    font-weight: bold;
}

#chart {
    min-width: auto;
    max-width: 100%;
    height: 250px;
    margin: 0 auto;
    z-index: 1;
}

.card {
    transition: 0.3s;
    margin-bottom: 10px;
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
}

.card:hover {
    box-shadow: 0 4px 10px 0 rgba(0, 0, 0, 0.2), 0 4px 20px 0 rgba(0, 0, 0, 0.19);
}

.cardcontainer {
    padding: 2px 16px;
    transition: width 300ms ease-in-out, height 300ms ease-in-out;
}

.description {
    padding: 10px;
}

.close:hover,
.close:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}

.topbuttons .matbut {
    display: inline-block;
}

.matbut {
    border: none;
    outline: none;
    cursor: pointer;
    color: white;
    margin: 10px 10px 10px 0px;
    padding: 10px 10px;
    border-radius: 10px;
    font-size: medium;
    font-style: bold;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
    background: #ff9800;
}

.matbut {
    position: relative;
    overflow: hidden;
}

.matbut:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 1;
    }

    15% {
        transform: scale(25, 25);
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

.matbut:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

#snackbar {
    visibility: hidden;
    min-width: 250px;
    margin-left: -200px;
    background-color: #333;
    color: #fff;
    border-radius: 2px;
    padding: 16px;
    position: fixed;
    z-index: 1;
    left: 50%;
    bottom: 30px;
}

.descriptionli {
    padding: 0px 5px 5px 5px;
}

#snackbar.show {
    visibility: visible;
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

#semesters {
    padding: 5px;
    margin-right: 10px;
    margin-top: 10px;
}

#semesters:focus {
    outline: 0;
}

@-webkit-keyframes fadein {
    from {
        bottom: 0;
        opacity: 0;
    }

    to {
        bottom: 30px;
        opacity: 1;
    }
}

@keyframes fadein {
    from {
        bottom: 0;
        opacity: 0;
    }

    to {
        bottom: 30px;
        opacity: 1;
    }
}

@-webkit-keyframes fadeout {
    from {
        bottom: 30px;
        opacity: 1;
    }

    to {
        bottom: 0;
        opacity: 0;
    }
}

@keyframes fadeout {
    from {
        bottom: 30px;
        opacity: 1;
    }

    to {
        bottom: 0;
        opacity: 0;
    }
}