h1 {
    margin-bottom: 0px;
}

.button {
    font-size: 16px;
    padding: 10px 20px;
    text-decoration: underline;
    border: none;
    background-image: linear-gradient(bottom, #ffcc33 0%, #fded7f 100%);
    background-image: -o-linear-gradient(bottom, #ffcc33 0%, #fded7f 100%);
    background-image: -moz-linear-gradient(bottom, #ffcc33 0%, #fded7f 100%);
    background-image: -webkit-linear-gradient(bottom, #ffcc33 0%, #fded7f 100%);
    background-image: -ms-linear-gradient(bottom, #ffcc33 0%, #fded7f 100%);
    background-image: -webkit-gradient(linear, right bottom, right top, color-stop(0, #ffcc33), color-stop(1, #fded7f));
    -pie-background: linear-gradient(bottom, #ffcc33 0%, #fded7f 100%);
}
.button:active {
    background-image: linear-gradient(bottom, #fded7f 0%, #ffcc33 100%);
    background-image: -o-linear-gradient(bottom, #fded7f 0%, #ffcc33 100%);
    background-image: -moz-linear-gradient(bottom, #fded7f 0%, #ffcc33 100%);
    background-image: -webkit-linear-gradient(bottom, #fded7f 0%, #ffcc33 100%);
    background-image: -ms-linear-gradient(bottom, #fded7f 0%, #ffcc33 100%);
    background-image: -webkit-gradient(linear, right bottom, right top, color-stop(0, #fded7f), color-stop(1, #ffcc33));
    -pie-background: linear-gradient(bottom, #fded7f 0%, #ffcc33 100%);
}
.hidden,.hidden:active {
    background-image: linear-gradient(bottom, #bebebe 0%, #d1d1d1 100%);
    background-image: -o-linear-gradient(bottom, #bebebe 0%, #d1d1d1 100%);
    background-image: -moz-linear-gradient(bottom, #bebebe 0%, #d1d1d1 100%);
    background-image: -webkit-linear-gradient(bottom, #bebebe 0%, #d1d1d1 100%);
    background-image: -ms-linear-gradient(bottom, #bebebe 0%, #d1d1d1 100%);
    background-image: -webkit-gradient(linear, right bottom, right top, color-stop(0, #bebebe), color-stop(1, #d1d1d1));
    -pie-background: linear-gradient(bottom, #bebebe 0%, #d1d1d1 100%);
    color: #707070;
}

.textfield {
    height: 19px; 
    border: solid 1px #ABADB3;
    padding: 0 5px;
}

.selectfield {
    border: solid 1px #ABADB3;
}

.errortext {
    border-color: red;
    color: black;
}

.result {
    font-size: 18px;
}

.result .res {
    font-size: 20px;
    font-weight: bold;
}

.formula {
    font-size: 18px;
    font-style: italic;
}

.formula sup {
    font-size: 14px;
}