.input {
    margin-bottom: 5px;
}

h3:after {
    content: "";
    display: block;
    position: relative;
    top: 0.33em;
    border-bottom: 1px solid hsla(0,0%,50%,.33);
}

.stackedit__html {
    margin-bottom: 0;
}

p {
    display: block;
    margin-block-start: 8px;
    margin-block-end: 0em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}

.warning {
    margin-top: 20px;
    margin-bottom: 20px;
}

h1, h2, h3, h4, h5, h6 {
    margin: 1.2em 0;
    line-height: 1.33;
}