Шаблон:Дописать/styles.css

.GradientBorder {
  position: relative;
  width: 850px;
  padding: 10px 40px;
  margin:30px 30px 30px 0px; 
  background: #011425;
  color:#007eff !important;
  font-size:0.8rem;
  border-image: linear-gradient(45deg, #0477b5, #0477b5, #58f8ff, #0477b5, #0477b5) 30;
border-width: 1px;
border-style: solid;
}