/* general style */

body{
    position: relative;
    font-size: 16px;
    background-color: #eee;
    min-height: 100vh;
}

h1{
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 20px;
}

h2{
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 20px;
}

p{
    font-size: 16px;
    margin-bottom: 15px;
}

img {
    height: auto;
    max-width: 100%;
}

a{
    color: #333
}

*{
    box-sizing: border-box;
}

.text-center{
    text-align: center;
}

.text-right{
    text-align: right;
}



/* header section */
header{
    position: relative;
    padding: 30px 15px;
    top: 10px;
    margin-bottom: 50px;
    background-color: white;
}

.top-bar{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.wrapper{
    width: 1400px;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.logo{
    display: block;
    max-width: 500px;
    max-height: 90px;
    justify-content: left;
}

nav ul{
    padding: 17px;
    list-style: none;
}

nav ul li{
    display: inline;
    padding: 10px 15px;
}

nav ul li a{
    text-transform: uppercase;
    text-decoration: none;
}

nav ul li:hover{
    border-bottom: 1px solid #444444;
}

nav.nav-right ul{
    padding: 2px 0 0 0;
}

nav.nav-right li{
    display: inline-block;
}

main{
    padding-bottom: 50px;
}

footer {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: white;
    margin-top: 10px;
    padding-top: 10px;
    text-align: right;
    font-style: italic;
    border-bottom: 10px solid #eee;
}


/* Signup section */

.main-wrapper{
    width: 1400px;
    max-width: 100%;
    padding: 30px 15px;
    margin: auto;
}

.signup-form{
    width: 540px;
    max-width: 100%;
    margin: auto;
}

.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form input[type="password"]{
    width: 100%;
    margin-bottom: 15px;
    font-size: 16px;
    padding: 8px 10px;

}

.signup-form button[type="submit"]{
    font-size: 18px;
    padding: 8px 10px;
}

/* Index section */

.logged {
    font-size: 24px;
    text-align: center;
}

/* Instance table section*/
table{
    font-size: 14px;
    font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}
table#instanceTable{
    margin: auto auto 50px auto;
    width: 300px;
}
 th {
    padding-top: 11px;
    padding-bottom: 11px;
    background-color: #D77D00;
    color: white;
    font-weight: bold;
}
td, th {
    border: 1px solid #ddd;
    text-align: center;
    padding: 8px;
    vertical-align: middle;
}


/*  */