body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: large;
    line-height: 35px;
}

#table-container {
    display: flex;
    justify-content: space-around;
}

table {
    padding: 5px;
    text-align: center;
    border: 2px black solid;
}

th {
    padding: 15px;
    font-size: 1.3rem;
    background-color: #36454F;
    color: antiquewhite;
}

td {
    padding: 15px;
}

.row-odd {
    background-color: #CFCFCFCF;
}

.row-even {
    background-color: #FFFFFF;
}

#row4{
    display: flex;
    justify-content: space-around;
}

button {
    font-size: 1.1rem;
    width: 100px;
    padding: 8px;
    height: 5vh;
    border: none;
    background: #36454F;
    color: #ffffff;
    border-radius: 15%;
}

button:hover {
    box-shadow: rgba(0, 0, 0, 0.54) 0px 3px 8px;
}

img:hover{
    box-shadow: rgba(0, 0, 0, 0.54) 0px 3px 8px;
}

/* The below changes the display setting for the ajaxWait div from none to block, scroll bar is hidden and loading-buffering.gif is displayed while ajax call completes: */

.ajaxWait {
    display:    none;
    position:   fixed;
    z-index:    1000;
    top:        0;
    left:       0;
    height:     100%;
    width:      100%;
    background: rgba( 255, 255, 255, .8 ) 
                url('../loading-buffering.gif')
                50% 50% 
                no-repeat;
}

body.loading .ajaxWait {
    overflow: hidden;   
}

body.loading .ajaxWait {
    display: block;
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    overflow: hidden;
    background: #fff;
}

#preloader:before {
    content: "";
    position: fixed;
    top: calc(50% - 30px);
    left: calc(50% - 30px);
    border: 6px solid #f2f2f2;
    border-top: 6px solid #56829e ;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    -webkit-animation: animate-preloader 1s linear infinite;
    animation: animate-preloader 1s linear infinite;
}

@-webkit-keyframes animate-preloader {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes animate-preloader {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}