html {
    background-image: url(../Documents/electronic.jpg);
    background-repeat: repeat-x;
    background-size: 125%;
}

h1{
    background: blueviolet;
    text-shadow: 5px black;
    color:white;
    text-align: center;
    font-style: bold;
    font-size: 300%;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}
h2{

    background: cadetblue;
    text-shadow: 5px black;
    color:white;
    text-align: center;
    font-style: bold;
}

.grid-c{
    margin: 15px;;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 10px;
    align-items: center;
    transition: 2s;
   
}