@font-face {
    font-family: "Mathjax";
    src: url("../../fonts/mathjax/MathJax_Main-Regular.woff");
}

@font-face {
    font-family: "Mathjax";
    font-style: italic;
    src: url("../../fonts/mathjax/MathJax_Math-Italic.woff");
}

.program-logic {
    position: relative;
}

.program-side-effects {
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    height: 100%;
    color: white !important;
    background-color: black !important;
}

#pyramid > div {
    position: relative;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-content: stretch;
    align-items: flex-end;
}

#pyramid > div > div:first-child {
    flex-basis: 100%;
}

#pyramid > div > div {
    flex: 1;
    margin-bottom: 3rem;
}

.figure .program {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.program .box {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 10rem;
    padding: 2rem;
    font-family: "Lato Black", sans-serif;
    font-size: 2.5rem;
    line-height: 1;
    background-color: hsl(0, 0%, 75%);
}

.program-input,
.program-logic,
.program-output {
    flex: 1;
}

.program-input-arrow,
.program-output-arrow {
    flex-basis: 12.5%;
    flex-grow: 0;
    flex-shrink: 0;
}

.program .arrow-right {
    position: relative;
}

.program .arrow-right::before {
    content: "";
    position: absolute;
    left: 1.5rem;
    right: 3.5rem;
    top: 50%;
    transform: translateY(-50%);
    height: 1rem;
    background-color: hsl(0, 0%, 25%);
}

.program .arrow-right::after {
    content: "";
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translate(-1px, -50%);
    border-left: 2rem solid hsl(0, 0%, 25%);
    border-top: 1rem solid transparent;
    border-bottom: 1rem solid transparent;
}

.math {
    font-family: Mathjax, serif;
    font-style: italic;
}

.math.large {
    font-size: 4rem;
    line-height: 1.5;
}

figure div {
    margin: auto;
}