html, body {
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    position: relative;
}

.layout {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    display: flex;
}

.left {
    flex: 0 0 170px;
    background: #cae;
}

.right {
    flex: 1 1 auto;
    background: #fff;
    padding: 20px;
}
.logo {
    text-align: center;
    padding-top: 1em;
}