Longshade flat icon in CSS

Longshade

/* Google Font flat longshade Icon in pure css
   Create with love by @LukyVj 
   Inspired by so much people an works over the internet.
*/

@import url(http://fonts.googleapis.com/css?family=Marck+Script);
body {
    -webkit-font-smoothing: antialiased;
    background: #333;
    overflow: hidden;
}
.container {
    width: 245px;
    margin: 180px auto;
}
div.icon {
    /*transform*/
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
    float: left;
    width: 245px;
    height: 245px;
    margin: 5px;
    display: block;
    background: rgb(150, 150, 150);
    font-family: "Marck Script",  sans-serif;
    text-align:center;
    font-size: 13em;
    font-weight: 500;
    line-height:.75;
    border-radius:15px;
    overflow:hidden;
}

div.icon:after {
    top: 0px;
    color: rgba(255, 255, 255, 0.9);
    width: 100%;
    height: 100%;
    display: block;
    overflow: hidden;
    position: relative;
    text-align: center;
    padding-top: 54.05px;
    box-sizing: border-box;
    /*box-shadow*/
    -webkit-box-shadow: 1px 1px 0px #000 ;
    -moz-box-shadow:1px 1px 0px #000 ;
    box-shadow:1px 1px 0px #000 ;
}
/*The shadow of the squares */
.icon:before {
    content: '';
    display: block;
    float: left;
    width: 136%;
    height: 136%;
    position: absolute;
    margin: 29%;
    /*transform*/
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    /*linear-gradient*/
    background: -webkit-gradient(linear,60.06% 107.04%,39.94% -7.04%,from(rgba(0,0,0,.1)),to(rgba(0,0,0,0)));
    background: -webkit-linear-gradient(100deg,rgba(0,0,0,.1),rgba(0,0,0,0));
    background: -moz-linear-gradient(100deg,rgba(0,0,0,.1),rgba(0,0,0,0));
    background: -o-linear-gradient(100deg,rgba(0,0,0,.1),rgba(0,0,0,0));
    background: linear-gradient(100deg,rgba(0,0,0,.1),rgba(0,0,0,0));
}

.gf:after {
   -webkit-font-smoothing: antialiased;
    content: "F";
    background: #dd473d;
    text-shadow: 1px 1px 0 rgba(0,0,0,.15),138px 138px 0px #a83027, 137px 137px 0px #a83027, 136px 136px 0px #a83027,135px 135px 0px #a83027, 134px 134px 0px #a83027, 133px 133px 0px #a83027,132px 132px 0px #a83027, 131px 131px 0px #a83027, 130px 130px 0px #a83027, 129px 129px 0px #a83027, 128px 127px 0px #a83027, 126px 126px 0px #a83027,125px 125px 0px #a83027, 124px 124px 0px #a83027, 123px 123px 0px #a83027,122px 122px 0px #a83027, 121px 121px 0px #a83027, 120px 120px 0px #a83027, 119px 118px 0px #a83027, 117px 116px 0px #a83027, 115px 114px 0px #a83027,113px 113px 0px #a83027, 112px 112px 0px #a83027, 111px 111px 0px #a83027, 110px 110px 0px #a83027, 109px 109px 0px #a83027, 108px 108px 0px #a83027, 107px 107px 0px #a83027, 106px 106px 0px #a83027, 105px 105px 0px #a83027, 104px 104px 0px #a83027, 103px 103px 0px #a83027, 102px 102px 0px #a83027, 101px 101px 0px #a83027, 100px 100px 0px #a83027, 99px 99px 0px #a83027, 98px 98px 0px #a83027, 97px 97px 0px #a83027, 96px 96px 0px #a83027, 95px 95px 0px #a83027, 94px 94px 0px #a83027, 93px 93px 0px #a83027, 92px 92px 0px #a83027, 91px 91px 0px #a83027, 90px 90px 0px #a83027, 80px 80px 0px #a83027, 79px 79px 0px #a83027, 78px 78px 0px #a83027, 77px 77px 0px #a83027, 76px 76px 0px #a83027, 75px 75px 0px #a83027, 74px 74px 0px #a83027, 73px 73px 0px #a83027, 72px 72px 0px #a83027, 71px 71px 0px #a83027, 70px 70px 0px #a83027, 69px 69px 0px #a83027, 68px 68px 0px #a83027, 67px 67px 0px #a83027, 66px 66px 0px #a83027, 65px 65px 0px #a83027,64px 64px 0px #a83027, 63px 63px 0px #a83027, 62px 62px 0px #a83027, 61px 61px 0px #a83027, 60px 60px 0px #a83027, 59px 59px 0px #a83027, 58px 58px 0px #a83027, 57px 57px 0px #a83027, 56px 56px 0px #a83027, 55px 55px 0px #a83027, 54px 54px 0px #a83027, 53px 53px 0px #a83027, 52px 52px 0px #a83027, 51px 51px 0px #a83027, 50px 50px 0px #a83027, 49px 49px 0px #a83027, 48px 48px 0px #a83027, 47px 47px 0px #a83027, 46px 46px 0px #a83027, 45px 45px 0px #a83027, 44px 44px 0px #a83027, 43px 43px 0px #a83027, 42px 42px 0px #a83027, 41px 41px 0px #a83027, 40px 40px 0px #a83027, 39px 39px 0px #a83027, 38px 38px 0px #a83027, 37px 37px 0px #a83027, 36px 36px 0px #a83027, 35px 35px 0px #a83027, 34px 34px 0px #a83027, 33px 33px 0px #a83027,32px 32px 0px #a83027, 31px 31px 0px #a83027, 30px 30px 0px #a83027, 29px 29px 0px #a83027, 28px 28px 0px #a83027, 27px 27px 0px #a83027, 26px 26px 0px #a83027, 25px 25px 0px #a83027, 24px 24px 0px #a83027, 23px 23px 0px #a83027, 22px 22px 0px #a83027, 21px 21px 0px #a83027, 20px 20px 0px #a83027, 19px 19px 0px #a83027, 18px 18px 0px #a83027, 17px 17px 0px #a83027, 16px 16px 0px #a83027, 15px 15px 0px #a83027, 14px 14px 0px #a83027, 13px 13px 0px #a83027, 12px 12px 0px #a83027, 11px 11px 0px #a83027, 10px 10px 0px #a83027, 9px 9px 0px #a83027, 8px 8px 0px #a83027, 7px 7px 0px #a83027, 6px 6px 0px #a83027, 5px 5px 0px #a83027, 4px 4px 0px #a83027, 3px 3px 0px #a83027, 2px 2px 0px #a83027, 1px 1px 0px #a83027, 15px 1px 0px #a83027,16px 2px 0px #a83027,17px 3px 0px #a83027,18px 4px 0px #a83027,19px 5px 0px #a83027,20px 6px 0px #a83027,21px 7px 0px #a83027,22px 8px 0px #a83027,
23px 9px 0px #a83027,
24px 10px 0px #a83027,
25px 11px 0px #a83027,
26px 12px 0px #a83027,
27px 13px 0px #a83027,
28px 14px 0px #a83027,
29px 15px 0px #a83027,
30px 16px 0px #a83027 , 
31px 17px 0px #a83027,
32px 18px 0px #a83027,
33px 19px 0px #a83027,
34px 20px 0px #a83027,
35px 21px 0px #a83027,
36px 22px 0px #a83027,
37px 23px 0px #a83027,
38px 24px 0px #a83027,
39px 25px 0px #a83027,
40px 26px 0px #a83027,
41px 27px 0px #a83027,
42px 28px 0px #a83027,
43px 29px 0px #a83027,
44px 30px 0px #a83027,
45px 31px 0px #a83027,
46px 32px 0px #a83027;
}