Customize Horizontal Line

Dotted

---

/* Dotted Horizontal Line */
.sqs-block-horizontalrule hr {
   background: transparent!important;
   border-top: 4px dotted #46a0b7;
}

Gradient

---

/*Gradient Horizontal Line */
.sqs-block-horizontalrule hr {
   background-image: linear-gradient(to right, #ffdd15, #F55536); 
   padding: 3px;
}