main.css

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "DM Sans", sans-serif;
    background-color: #fff;
}

a {
    color: rgb(212, 42, 20);
}

ul {
    columns: 2;
    -webkit-columns: 2;
    -moz-columns: 2;
}

/*div {
    margin-top: 20px;
    margin-bottom: 10px;
    margin-right: 150px;
    margin-left: 30px;
}*/

.main-icon {
    display: inline-block;
    margin: 0;
    padding: 0;
    fill: #fff;
    /* width: 10rem; */
    height: 3rem;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    /* padding: 0.5rem 2rem; */
    width: 100%;
    /* background-color: rgba(0,0,0,0.25); */
    background: linear-gradient(45deg, rgba(212, 20, 90, 1) 0%, rgba(251, 177, 59, 1) 100%);
    color: #fff;
    font-weight: 700;
}

.nav-inner {
    padding: 0.5rem 2rem;
}

.nav-links {
    float: right;
}

nav a img {
    width: 2rem;
}

.nav-icon {
    width: 1.8rem;
    fill: #fff;
}

header {
    position: relative;
    padding: 4rem 2rem;
    height: 40vh;
    background: #000;
    /* background: rgb(249,139,107);
    background: linear-gradient(90deg, rgba(249,139,107,1) 0%, rgba(244,88,102,1) 100%); */

    /* background: linear-gradient(45deg, #4F00BC 0%, #29ABE2 100%); */
    /* background: linear-gradient(45deg, #ED1C24 0%, #FCEE21 100%); */
    background: linear-gradient(45deg, #D4145A 0%, #FBB03B 100%);
    text-align: center;
}

header .site-title,
header .sub-title {
    color: #fff;
}

.site-title {
    position: absolute;
    bottom: 10vh;
    display: block;
    width: 100%;
    margin-top: 0;
    margin-bottom: 0;
    font-size: 6rem;
    font-weight: 700;
    line-height: 1em;
}

.sub-title {
    display: block;
    /* margin-top: -1.5rem; */
    margin-left: 0.35rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1em;
}

.callout {
    background-color: #6f0e1b;
    background: linear-gradient(45deg, #960849 0%, #ea6c2f 100%);
    padding: 1rem 2rem;
    text-align: center;
}

.callout a {
    color: #fff;
    vertical-align: middle;
    text-decoration: none;
}

.callout img {
    width: 30px;
    margin-right: 0.5rem;
    vertical-align: middle;
}

.content {
    padding: 2rem;
}

aside {
    width: 300px;
    float: right;
}

.sidebar-links {
    width: 100%;
    /* background-color: #D4145A; */
    /* background-color: #ffe1e1; */
    /* background: linear-gradient(45deg, #D4145A 0%, #FBB03B 100%); */
    /* background: linear-gradient(45deg, #D4145A 0%, #ff7b66 100%); */
    /* padding: 0.5rem;
    border-radius: 0.5rem; */
}

.sidebar-links a {
    display: block;
    margin-bottom: 1rem;
    vertical-align: middle;
    width: 100%;
    text-align: center;
    text-decoration: none;
    font-size: 1.25rem;
    color: #000;
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: linear-gradient(45deg, rgba(255, 160, 124, 0.5) 0%, rgba(255, 215, 101, 0.5) 100%);
}

.sidebar-links img {
    margin-right: 0.5rem;
    vertical-align: middle;
    width: 50px;
}

main {
    /* display: none;*/
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.75rem;
    max-width: 45rem;
}