.keyword {
    /*font-weight: bold;*/
    color: blue;
    /*text-decoration: underline;*/
}
.comment {
	color: green;
    /*color: gray;*/
	font-style: italic;
}
.preprocessor {
	color: blue;
    font-weight: bold;
}
.data {
    color: red;
    /*color: rgb(200,0,0);*/
    /*font-weight: bold;*/
}

label {
    background-color: #e7e7e7;
    box-shadow: inset 0 2px 3px rgba(255,255,255,0.2), inset 0 -2px 3px rgba(0,0,0,0.2);
    border-radius: 4px;
    display: inline-block;
    padding: 2px 5px;
    cursor: pointer;
}

input + label:after {
    content: "zobraziť riešenie"; 
}

input:checked + label:after {
    content: "skryť riešenie"; 
}

.assignment {
    /*color: gray;*/
    /*opacity: 0.8;*/
    background: linear-gradient(to right,rgb(240,240,240) 1%, white 50%);
}

.solution {
    /*background-color: rgba(255, 255, 0, 0.2);*/
    background: linear-gradient(to right,yellow 1%, white 10%);
}