*{
    margin: 0;
    padding: 0;
    font-family: arial;
    box-sizing: border-box;
}
body{
    height: 100vh;
    display: grid;
    place-itmes:center
}
table{
    width: 50px;
    box-shadow: -1px 12px 12px -6px rgba(0,0,0,0.5);
}
table,td,th{
    padding: 10px;
    border: 1px ridge darkgrey;
    border-collapse: collapse;
    text-align: center;
}
td{
    font-size: 18px;
}
th{
    background-color: powderblue;
    color:white;
}
tr:nth-child(odd){
    background-color: lightblue;
}
tr:nth-child(odd):hover{
    background-color: dodgerblue;
    color: white;
    transform: scale(1.2);
    transition: transform 300ms ease-in;
}
tr:nth-child(even):hover{
    background-color: gold;
    color: white;
    transform: scale(1.2);
    transition: transform 300ms ease-in;
}
body{
    height: 50vh;
    display:grid;
    place-items: center;
    background-image: URL(https://cdn.vectorstock.com/i/500p/16/00/red-grunge-background-vector-46521600.jpg);
  background-repeat: no-repeat;
    background-size: 100% 100%;
    min-height: 50vh;
    background-attachment: fixed;
    background-position: center;
}
.p{
    text-color: white
}
h1{
    color:white;
}
p{
    color:white;
    border:solid;
    text-align:center;
    background:black;
}
*{
    margin:0;
    padding:0;
    box-sizing: border-box;
    font-family: Poppins, Sans-serif;
}
body{
    min-height: 100vh;
    background: linear-gradient (blue, pink);
    background-repeat:no-repeat;
    background-size:cover;
    background-position: center;
}
.header{
    position: fixed;
    top: 0;
    left:0;
    width: 100%;
    padding: 20px;
    background: #f2f3f7;
    display: flex;
    justify-content: space-between;
    /* you are adding space between each navigation button*/
    
    align-items: center;
    z-index: 100;
    
/* Z-index specifies the stack order of elements (which element should be placed in front 
    of, or behind, the others) */
    
}
.logo{
    font-size: 32px;
    color: teal;
    text-decoration: none;
    font-weight: 700;
}
.navbar a{
    Position: relative;
    font-size: 18px;
    color: #289fe3;
    font-weight: 500;
    text-decoration: none;
    margin-left: 30px;
}
.navbar a::before{
    content:'';
    /* add space before to create a hovering underline element*/
    position: absolute;
    top:100%;
    left:0;
    width: 0;
    height: 2px;
    background: teal;
    transition: .3s;
}
.navbar a:hover::before{
    width: 100%;
}
.wrapper{
    font-family: Poppins, Sans-serif;
    width:80%;
    margin:0 auto;
    position: relative;
}
img{
    opacity:1;
    display:block;
    width:100%;
    height:auto;
    transition: .5s ease;
    
}
.content{
    position: absolute;
    top:45%;
    left:50%;
    transform:translate(-50%,-50%);
    -ms-transform:translate(-50%,-50%);
    text-transform: uppercase;
    font-size:60px;
    color: white
    white-space:nowrap;
    overflow:hidden;
}
.content a{
    font-size: 24px;
    display: block;
    background-color: #ff771d;
    text-align: center;
    padding:10px;
    cursor:pointer;
}
.overlay{
    
    opacity:0 ;
    
}
.wrapper:hover img{
    opacity: .5;
}
.wrapper:hover .overlay{
    opacity: 1;
}
h1{
    color:white;
}