body {
    background-color: #1A232E;
}

.full-height {
    height: 100vh;
    padding: 0;
    margin: 0;
}

#logo {
    max-height: 10vmin;
    max-width: 100%;
}

.btn, .btn-flat {
    text-transform: none;
    font-weight: 600;
}

.no-border-table tr {
    border: none;
}

.full-width-table {
    width: auto;
}

.margin-auto {
    margin: auto;
}

.no-padding {
    padding: 0;
}

.no-margin-bottom {
    margin-bottom: 0;
}

.no-margin-top {
    margin-top: 0;
}

.no-margin {
    margin: 0 !important;
}

.bold {
    font-weight: bold !important;
}

i.normal {
    font-size: 3rem;
}

.headline {
    color: white;
}

input[type=text] {
    color: white;
}

/* label password focus color */
.input-field input[type=password]:focus + label {
    color: #b71c1c !important;
}

/* label password underline focus color */
.input-field input[type=password]:focus {
    border-bottom: 1px solid #b71c1c !important;
    box-shadow: 0 0 0 0 #CCCCCC !important;
}

#main {
    height: 100vh;
    width: 100vw;
    padding: 5vmin;
}

#logo-main {
    margin-bottom: 2rem;
}

#years {
    margin: auto;
    width: 50%;
    height: 50%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 30px;
    margin-top: 5rem;
}

#calendar {
    margin: auto;
    width: 100%;
    height: 80%;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-gap: 30px;
}

.calendar-cell {
    color: white;
    font-size: 3em;
    border: 3px dashed white;
}

.calendar-cell:hover {
    cursor: pointer;
}

.calendar-cell-opened {
    border: 3px solid white;
    background-color: rgba(255, 255, 255, 0.2);
}

.calendar-cell-new {
    background-color: rgba(183, 28, 28, 0.2);
}

.calendar-number {
    margin: auto;
    font-weight: bold;
}

.button-back {
    margin-top: 3rem;
}

.door-image {
    height: 80vh;
    width: 80vw;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: contain;
    margin-top: 5vh;
}

/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {
    #calendar, #years {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(24, 200px);
    }

    #logo-main {
        width: 50%;
    }
}

/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {
    #calendar, #years {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(12, 200px);
    }

    #logo-main {
        width: 40%;
    }
}

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {
    #calendar {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(4, 200px);
    }

    #logo-main {
        width: 30%;
    }
}

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {
    #calendar {
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: auto;
    }

    #logo-main {
        width: 20%;
    }
}