header {
    color: rgb(255, 255, 255);
    text-align: center;
    background-image: linear-gradient(to bottom, rgb(0, 52, 124), rgb(0, 157, 229));
}

h1 {
    color:rgb(255, 255, 255);
    text-align: center;
}

h2 {
    border-style: dotted;
    color: rgb(122, 255, 255);
    text-align: center;
}

p {
    display: inline;
}

/*element selector*/
section {
    border-style:dashed;
    background-image: linear-gradient(to left, rgb(166, 239, 255), rgb(231, 94, 255), rgb(255, 100, 180));
    margin: 15px;
    color: rgb(145, 145, 255);
}

article {
    background-color: black;
    margin: 25px;
    color: aliceblue;
}

/* class selectior*/
.sectionss {
    text-align: center;
    color:rgb(255, 255, 255)
}

img {
    padding-left: 500px;
}

/* id selector */
#ISAT {
    padding-left: 400px;
}

.Twst {
    padding-left: 250px;
}

.Blub {
    padding-left: 100px;
}

body {
    background-image: url(https://tse3.mm.bing.net/th/id/OIP.aGFhxgPuRVANgXsFF6ACMwHaEK?r=0&rs=1&pid=ImgDetMain&o=7&rm=3)
}

#Pre {
    background-image: linear-gradient(to bottom,rgb(0, 157, 229), rgb(162, 0, 255));
}

#Fut {
    background-image: linear-gradient(to bottom, rgb(162, 0, 255), rgb(222, 0, 141));
}

footer {
    background-color: black;
    text-align: center;
    color: rgb(255, 255, 255);
}