@import url("https://fonts.googleapis.com/css?family=DM+Sans:500,700&display=swap");
@import url("https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css");
* {
    box-sizing: border-box;
}

body {

    text-align: center;
    width: 100%;
    -webkit-box-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    align-items: center;
    padding: 0 20px;
    background-image: url("https://www.toptal.com/designers/subtlepatterns/patterns/debut_light.png");
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    zoom: 74%;

}

.nav {
    display: -webkit-inline-flex;
    display: inline-flex;
    position: relative;
    overflow: hidden;
    max-width: 100%;
    background-color: #fff;
    padding: 0 20px;
    border-radius: 40px;
    box-shadow: 0 10px 40px rgba(159, 162, 177, 0.8);
}

.nav-item {
    color: #83818c;
    padding: 20px;
    text-decoration: none;
    -webkit-transition: .3s;
    transition: .3s;
    margin: 0 6px;
    z-index: 1;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    position: relative;
    font-size: 15px;
}
.nav-item:before {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 5px;
    background-color: currentColor;
    border-radius: 8px 8px 0 0;
    opacity: 0;
    -webkit-transition: .3s;
    transition: .3s;

}

.nav-item:not(.is-active):hover:before {
    opacity: 1;
    bottom: 0;

}

.nav-item:not(.is-active):hover {
    color: #333;
}

.nav-indicator {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4px;
    -webkit-transition: .4s;
    transition: .4s;
    height: 5px;
    z-index: 1;
    border-radius: 8px 8px 0 0;
}

@media (max-width: 580px) {
    .nav {
        overflow: auto;
    }
}
#aWelcome:hover{
    color: orange;
    text-decoration: none;
}
#aLogin:hover{
    color: blue;
    text-decoration: none;
}
#aRegister:hover{
    color: red;
    text-decoration: none;
}
#aAbout:hover{
    color: green;
    text-decoration: none;
}

.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content/Box */
.modal-content {
    background-color: #fefefe;
    margin: 15% auto; /* 15% from the top and centered */
    padding: 20px;
    border: 1px solid #888;
    width: 30%; /* Could be more or less, depending on screen size */
    height: 30%;
    box-shadow: 0 10px 20px green;
}

/* The Close Button */
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}
#footer{
    position: relative;
    margin-top: 200px;
    clear: both;
}