*
{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

.nav-bar
{
    position: relative;
    background: rgb(0,0,0,0.5);
    height: 80px;
}

.logo{
    background-color: #fff;
    margin: 10px 50px;
    height: 60px;
}

.menu{
    float: right;
    list-style: none;
    margin:20px;
}

.menu li{
    display: inline-block;
    margin: 10px 5px;
}

.menu li a{
    text-decoration: none;
    color: #fff;
    padding: 5px 10px;
    font-family: sans-serif;
    letter-spacing: 2px;
    border: 1px solid #fff;
}

.menu li a:hover{
    background: #fff;
    transition: .4s;
    color: #000;
}

.welcome{
    position: absolute;
    top:20%;
    left: 50%;
    width: 700px; height: 160px;

    text-align:center;
    font-family: sans-serif;
    color:#000;
}