* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: #fafafa;
}

nav {
    padding: 10px;
    background: #fff;
    width: 100%;
    box-shadow: 0px 2px 2px 2px rgba(0, 0, 0, 0.4);
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    /*line-height: 100px;*/
}

#go {
    font-size: 18px;
    background: none;
    border: 1px solid black;
    border-radius: 5px;
}

#go:hover {
    background: lightgray;
    border: 1px solid gray;
}

#picker {
    margin-top: 10px;
    height: 0%;
    font-size: 18px;
}

#from, #to {
    border-radius: 5px;
    border: 1px solid lightgray;
    font-size: 1em;
}

nav form {
    padding-bottom: 20px;
    font-size: 1rem;
    font-weight: 400;
}

#content {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 5px;
    background-color: #fff;
    border-radius: 2px;
    width: 95%;
    box-shadow: 0px 2px 2px 2px rgba(0, 0, 0, 0.4)
}

#content canvas {
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}