@-webkit-keyframes shake {
	0%, 100% {-webkit-transform: translateX(0);}
	10%, 30%, 50%, 70%, 90% {-webkit-transform: translateX(-10px);}
	20%, 40%, 60%, 80% {-webkit-transform: translateX(10px);}
}
@-moz-keyframes shake {
	0%, 100% {-moz-transform: translateX(0);}
	10%, 30%, 50%, 70%, 90% {-moz-transform: translateX(-10px);}
	20%, 40%, 60%, 80% {-moz-transform: translateX(10px);}
}
@-ms-keyframes shake {
	0%, 100% {-ms-transform: translateX(0);}
	10%, 30%, 50%, 70%, 90% {-ms-transform: translateX(-10px);}
	20%, 40%, 60%, 80% {-ms-transform: translateX(10px);}
}
@-o-keyframes shake {
	0%, 100% {-o-transform: translateX(0);}
	10%, 30%, 50%, 70%, 90% {-o-transform: translateX(-10px);}
	20%, 40%, 60%, 80% {-o-transform: translateX(10px);}
}
@keyframes shake {
	0%, 100% {transform: translateX(0);}
	10%, 30%, 50%, 70%, 90% {transform: translateX(-10px);}
	20%, 40%, 60%, 80% {transform: translateX(10px);}
}
.pressed.wrong {
	-webkit-animation-name: shake;
	-moz-animation-name: shake;
	-ms-animation-name: shake;
	-o-animation-name: shake;
	animation-name: shake;
}
@-webkit-keyframes pulse {
    0% { -webkit-transform: scale(1); }
	50% { -webkit-transform: scale(1.03); }
    100% { -webkit-transform: scale(1); }
}
@-moz-keyframes pulse {
    0% { -moz-transform: scale(1); }
	50% { -moz-transform: scale(1.03); }
    100% { -moz-transform: scale(1); }
}
@-ms-keyframes pulse {
    0% { -ms-transform: scale(1); }
	50% { -ms-transform: scale(1.03); }
    100% { -ms-transform: scale(1); }
}
@-o-keyframes pulse {
    0% { -o-transform: scale(1); }
	50% { -o-transform: scale(1.03); }
    100% { -o-transform: scale(1); }
}
@keyframes pulse {
    0% { transform: scale(1); }
	50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}
.correct.pressed {
	-webkit-animation-name: pulse;
	-moz-animation-name: pulse;
	-ms-animation-name: pulse;
	-o-animation-name: pulse;
	animation-name: pulse;
}
.answers li {
	-webkit-animation-duration: 2s;
    -webkit-animation-delay: 0s;
    -webkit-animation-iteration-count: 1;
	-moz-animation-duration: 2s;
    -moz-animation-delay: 0s;
    -moz-animation-iteration-count: 1;
	-ms-animation-duration: 2s;
    -ms-animation-delay: 0s;
    -ms-animation-iteration-count: 1;
	-o-animation-duration: 2s;
    -o-animation-delay: 0s;
    -o-animation-iteration-count: 1;
	animation-duration: 2s;
    animation-delay: 0s;
    animation-iteration-count: 1;
}