Here are some CSS hacks you can use without having to use Javascript to change Squarespace elements.
.sqs-simple-like.clicked .like-icon, .sqs-simple-like:hover .like-icon {
display: inline-block;
}
.sqs-simple-like.clicked .like-icon, .sqs-simple-like:hover .like-icon {
background-color: #000;
}
.site-title { display:none; }
<style>
header#header {
display: none;
}
</style>
source: http://answers.squarespace.com/questions/51860/removing-site-navigation-in-momentum/51914
.mobile-nav-toggle-label {
margin-right:10px !important;
}
.force-mobile-nav .mobile-nav-toggle-label::after {
display: inline;
content: 'Menu';
}
.top-bar, .middle-bar, .bottom-bar {display:none;}
.required span {
display: none;
}
.form-wrapper .field-list .field .field-element {
}
.social-rss {
}
.newsletter-block .newsletter-form-field-element {
width: 240px;
}
time.published a:link {
color: #000;
}
.entry-footer a, .entry-footer .sqs-simple-like, .entry-footer .squarespace-social-buttons {
color: #000;
}
.tagcloud-block .name {font-size: 70% !important;
}
.tagcloud-block .name {color: blue !important;
}
source: http://answers.squarespace.com/questions/47640/how-do-i-change-the-text-size-in-a-tag-cloud
.sqs-money-native:after {
content: 'USD' !important;
}
source: http://answers.squarespace.com/questions/48077/displaying-the-currency-name-usd-in-price
Feel free to contribute!
Created by Rebecca Garcia (@geekgirlweb) I'm a Developer Evangelist at Squarespace :)