It is possible with :after and :before :
.gradient{
height:400px;
background: #61fc32;
background: -moz-linear-gradient(left, #61fc32 0%, #f43034 100%);
background: -webkit-gradient(linear, left top, right top, color-stop(0%,#61fc32), color-stop(100%,#f43034));
background: -webkit-linear-gradient(left, #61fc32 0%,#f43034 100%);
background: -o-linear-gradient(left, #61fc32 0%,#f43034 100%);
background: -ms-linear-gradient(left, #61fc32 0%,#f43034 100%);
background: linear-gradient(to right, #61fc32 0%,#f43034 100%);
position:relative;
}
.gradient:after{
content:'';
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
background: -moz-radial-gradient(center, ellipse cover, rgba(40,51,201,0) 0%, rgba(40,51,201,1) 100%);
background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,rgba(40,51,201,0)), color-stop(100%,rgba(40,51,201,1)));
background: -webkit-radial-gradient(center, ellipse cover, rgba(40,51,201,0) 0%,rgba(40,51,201,1) 100%);
background: -o-radial-gradient(center, ellipse cover, rgba(40,51,201,0) 0%,rgba(40,51,201,1) 100%);
background: -ms-radial-gradient(center, ellipse cover, rgba(40,51,201,0) 0%,rgba(40,51,201,1) 100%);
background: radial-gradient(ellipse at center, rgba(40,51,201,0) 0%,rgba(40,51,201,1) 100%);
}
DEMO