.page {
    max-width: 850px;
    margin: 0 auto;
}

.big-spacing {
    margin-top: 80px;
    margin-bottom: 80px;
}

.small-spacing {
    margin-top: 40px;
    margin-bottom: 40px;
}

.tasks {
    list-style: none;
}

.tasks li {
    background: url('../img/todo.png') no-repeat 7px 7px transparent;
    margin: 0;
    padding: 0px 0px 1px 48px;
    vertical-align: middle;
}

.tasks li.done {
    background: url('../img/done.png') no-repeat 7px 7px transparent;
}

.img {
    max-width: 100%;
    max-height: 100%;
}

.page {
    max-width: 850px;
    margin: 0 auto;
}

.big-spacing {
    margin-top: 80px;
    margin-bottom: 80px;
}

.small-spacing {
    margin-top: 40px;
    margin-bottom: 40px;
}

.tasks {
    list-style: none;
}

.tasks li {
    background: url('../img/todo.png') no-repeat 7px 7px transparent;
    margin: 0;
    padding: 0px 0px 1px 48px;
    vertical-align: middle;
}

.tasks li.done {
    background: url('../img/done.png') no-repeat 7px 7px transparent;
}

Update Hack4LT image max dimensions.
Update Hack4LT image max dimensions.
