html,body{
    height:100%;
    margin:0px;
    font-size: 16px;
    font-family: 'Courier New', Courier;
    font-weight:400;
    line-height:2em;
    color:white;
}
.img1{background-image: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQTZUG9uXp-gG4rrgSgihS-88-9uDXOqwJj5Q&s");
    min-height:100%;}
.img2{background-image: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRI6rDhXq7kzo-rFgdIQWHSjKRHCCrCy7xSvA&s");
    min-height:100%;}
.img3{background-image: url("https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcT6izPxJkXX8HJLTRcOHd2R4Wor3HeLn0ijmg&s");
    min-height:100%;}

.img1,
.img2,
.img3{ 
    position:relative;
    background-position: center;
    background-size: cover;    
    background-repeat:no-repeat;
    background-attachment:fixed;
}

.ptext{
    text-align: center;
    position:absolute;
    top:50%;
    width:100%;
    font-size: 30px;
    letter-spacing: 8px;
    text-transform: uppercase;
}
.bg{
    background-color: rgb(254, 164, 30);
    color:white;    
    padding: 20px;
    border:2px solid rgb(44, 41, 41);
    border-radius: 20px ;
}
.one{
    background-color:rgb(31, 74, 6);
    color:rgb(255, 255, 255);
    text-align:center;
    margin-top:0px;
    font-size: large;
    padding:50px;
}
.two{
    background-color: rgb(68, 172, 212);
    color: blanchedalmond;
    text-align:center;
    padding:50px;
}
.three{
    background-color:blueviolet; 
    color: blanchedalmond;
    text-align:center;
    padding:50px;
    font-size: larger;
}