.2 {
/* IE10 */
background-image: -ms-linear-gradient(right, # 0%, # 100%);
/* Mozilla Firefox */
background-image: -moz-linear-gradient(right, # 0%, # 100%);
/* Opera */
background-image: -o-linear-gradient(right, # 0%, # 100%);
/* Webkit (Safari/Chrome 10) */
background-image: -webkit-gradient(linear, right top, left bottom, color-stop(0, #), color-stop(1, #));
/* Webkit (Chrome 11+) */
background-image: -webkit-linear-gradient(right, # 0%, # 100%);
/* Regola standard */
background-image: linear-gradient(to right, # 0%, # 100%);
}


.2inverso {
/* IE10 */
background-image: -ms-linear-gradient(right, # 0%, # 100%);
/* Mozilla Firefox */
background-image: -moz-linear-gradient(right, # 0%, # 100%);
/* Opera */
background-image: -o-linear-gradient(right, # 0%, # 100%);
/* Webkit (Safari/Chrome 10) */
background-image: -webkit-gradient(linear, right top, left bottom, color-stop(0, #), color-stop(1, #));
/* Webkit (Chrome 11+) */
background-image: -webkit-linear-gradient(right, # 0%, # 100%);
/* Regola standard */
background-image: linear-gradient(to right, # 0%, # 100%);
}


.3 {
/* IE10 */
background-image: -ms-linear-gradient(right, # 0%, # 50%, # 100%);
/* Mozilla Firefox */
background-image: -moz-linear-gradient(right, # 0%,  # 50%, # 100%);
/* Opera */
background-image: -o-linear-gradient(right, # 0%, # 50%, # 100%);
/* Webkit (Safari/Chrome 10) */
background-image: -webkit-gradient(linear, right top, left bottom, color-stop(0, #), color-stop(0.5, #), color-stop(1, #));
/* Webkit (Chrome 11+) */
background-image: -webkit-linear-gradient(right, # 0%, # 50%, # 100%);
/* Regola standard */
background-image: linear-gradient(to right, # 0%, # 50%, # 100%);
}


.3inverso {
/* IE10 */
background-image: -ms-linear-gradient(right, # 0%, # 50%, # 100%);
/* Mozilla Firefox */
background-image: -moz-linear-gradient(right, # 0%,  # 50%, # 100%);
/* Opera */
background-image: -o-linear-gradient(right, # 0%, # 50%, # 100%);
/* Webkit (Safari/Chrome 10) */
background-image: -webkit-gradient(linear, right top, left bottom, color-stop(0, #), color-stop(0.5, #), color-stop(1, #));
/* Webkit (Chrome 11+) */
background-image: -webkit-linear-gradient(right, # 0%, # 50%, # 100%);
/* Regola standard */
background-image: linear-gradient(to right, # 0%, # 50%, # 100%);
}