* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

input {
    width: 100%;
    height: 100%;
    padding: 2px;
    min-height: 50px;
    min-width: 50px;
    background-color: #98A3DD;
    cursor: pointer;
}

input[type="button"]:hover {
    background-color: #576fbe;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    text-align: center;
    /*font-size: 2em;*/
    background-color: #EBEEF8;
}

header {
    min-height: 100px;
    font-family: 'Titillium Web', sans-serif;
    font-size: 50px;
    background-color: #2A387E;
    color: #EBEEF8;
    text-align: center;
}

footer {
    min-height: 20px;
    font-family: 'Titillium Web', sans-serif;
    font-size: 25px;
    background-color: #273474;
    color: #576fbe;
    text-align: center;
    width: 100%;
}

.tip {
    font-size: 20px;
}

#main {
    margin-left: 35%;
    margin-right: 35%;
}

table {width: 100%}

/*nav {
    background-color: #4B5FC3
 }
 
 nav a {
     text-decoration: none;
     color: #98A3DD;
     font-family: 'Libre Bodoni', serif; 
     color: #13172C;
     
     margin-top: 5px;
     margin-left: 5px;
     margin-right: 5px;
     padding: 2px;
     padding-bottom: 4px;
     
 }*/
 
 .selected {
  text-decoration: underline; 
 }