@-webkit-keyframes pulsation{
    0%,to{
        transform:scale(1);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.2);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.2)
    }
    50%{
        transform:scale(1.05);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.6);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.6)
    }
}
@-moz-keyframes pulsation{
    0%,to{
        transform:scale(1);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.2);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.2)
    }
    50%{
        transform:scale(1.05);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.6);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.6)
    }
}
@-ms-keyframes pulsation{
    0%,to{
        transform:scale(1);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.2);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.2)
    }
    50%{
        transform:scale(1.05);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.6);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.6)
    }
}
@-o-keyframes pulsation{
    0%,to{
        transform:scale(1);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.2);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.2)
    }
    50%{
        transform:scale(1.05);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.6);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.6)
    }
}
@keyframes pulsation{
    0%,to{
        transform:scale(1);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.2);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.2)
    }
    50%{
        transform:scale(1.05);
        -webkit-box-shadow:0 0 20px 0 hsla(0,0%,7%,.6);
        box-shadow:0 0 20px 0 hsla(0,0%,7%,.6)
    }
}

.pulsation {
    -webkit-transition:height .5s ease,box-shadow 1s ease;
    -moz-transition:height .5s ease,box-shadow 1s ease;
    -o-transition:height .5s ease,box-shadow 1s ease;
    transition:height .5s ease,box-shadow 1s ease;
    animation:pulsation .5s infinite
}