Dostum selam, bu kodu kullanabilirsin;body{
background: rgb(206,220,231);
background: -moz-linear-gradient(top, rgba(206,220,231,1) 0%, rgba(89,106,114,1) 100%);
background: -webkit-linear-gradient(top, rgba(206,220,231,1) 0%,rgba(89,106,114,1) 100%);
background: linear-gradient(to bottom, rgba(206,220,231,1) 0%,rgba(89,106,114,1) 100%);
filter: progid: DXImageTransform.Microsoft.gradient( startColorstr='#cedce7', endColorstr='#596a72',GradientType=0 );
}