body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    min-width: 320px;
    background: #fff;
    font-family: Lato,'Helvetica Neue',Arial,Helvetica,sans-serif;
    font-size: 14px;
    line-height: 1.4285em;
    color: rgba(0,0,0,.87);
}
body, html {
    height: 100%; 
    min-height: 100%;
    position: relative;
}



.mt-5 {
    margin-top: 5px !important;
}



.not-visible {
    display: none;
}

.ui .container  {
    display: block;
    padding-bottom: 3rem;
}


.ui .container .mt-3 {
    padding-bottom: 3rem;
    max-width: 30% !important;
}

.timer {
    top: 10px;
    position: relative;
    width: 8em;
    height: 2em;
    padding: 0.35em;
    float: right;
    font-family: 'Arial', 'sansserif';
    font-size: large;
    font-weight: bolder;
    background-color: lightcyan;
    border: 2px solid green;
    border-width: thin;
    text-align: center;
    vertical-align: middle;
    vertical-align: -webkit-baseline-middle;

}


.mt-3 {
    display: block;
    margin-top: 5px !important;
    padding-bottom: 3rem !important;
    padding-bottom: 3rem;
    /*max-width: 30% !important;*/
    max-width: 30% !important;
    align-self: center;

}

.ui.inverted.menu
{
    font-weight: bold;
    background: rgba(155, 25, 53, 0.9);  
    color: rgba(255, 255, 255, 0.9);
    border-radius: 0;
    margin-bottom: 0;
    margin-top: 0;
}

.ui.menu.fixed {
    position: fixed;
    z-index: 101;
    bottom: 0;
    margin: 0;
        margin-top: 0px;
        margin-bottom: 0px;
    width: 100%;
    height: 2.5rem;    
}


.ui.inverted.menu .item, .ui.inverted.menu .item>a:not(.ui) {
    /*font-size: smaller;*/
    font-weight: bold;
    background: 0 0;
    color: rgba(255,255,255,.9);
}

img {
    border-style: none;
    background: white;
    padding: 12px;
}

.button-r {
    float:right;
}

.hidden {
    visibility: hidden;
}