{"id":3371,"date":"2021-06-03T07:45:16","date_gmt":"2021-06-03T07:45:16","guid":{"rendered":"https:\/\/rengga.dev\/blog\/?p=3371"},"modified":"2023-02-28T04:14:26","modified_gmt":"2023-02-28T04:14:26","slug":"css-tutorial-css-only-border-animation","status":"publish","type":"post","link":"https:\/\/rengga.dev\/blog\/css-tutorial-css-only-border-animation\/","title":{"rendered":"CSS Tutorial &#8211; CSS Only Border Animation"},"content":{"rendered":"<p><a style=\"color: #ef3207;\" href=\"https:\/\/rengga.dev\/\" target=\"_blank\" rel=\"noopener\"><strong>Rengga Dev<\/strong><\/a> &#8211; <strong>CSS-only border animation<\/strong>\u00a0on hover. It needs a solid background in order to work.<\/p>\n<p><iframe style=\"width: 100%;\" title=\"CSS Tutorial - CSS Only Border Animation\" src=\"https:\/\/codepen.io\/renggagumilar\/embed\/JjvjeRd?default-tab=result&amp;theme-id=dark\" height=\"300\" frameborder=\"no\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><br \/>\nSee the Pen <a href=\"https:\/\/codepen.io\/renggagumilar\/pen\/JjvjeRd\"><br \/>\nCSS Tutorial &#8211; CSS Only Border Animation<\/a> by Rengga Gumilar (<a href=\"https:\/\/codepen.io\/renggagumilar\">@renggagumilar<\/a>)<br \/>\non <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<br \/>\n<\/iframe><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"raw\">.container\r\n  a.border-animation(href=\"#\")\r\n    .border-animation__inner Border animation<\/pre>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"scss\">@import url(https:\/\/fonts.googleapis.com\/css?family=Six+Caps);\r\n\r\nhtml * {\r\n  box-sizing: border-box;\r\n}\r\n\r\nbody {\r\n  font-size: 16px;\r\n  padding: 10px;\r\n  background: #333333;\r\n  color: #ffffff;\r\n  text-align: center;\r\n  height: 100vh;\r\n  margin: 0;\r\n  display: flex;\r\n  align-items: center;\r\n  height: 100vh;\r\n}\r\n\r\n.container {\r\n  width: 100%;\r\n}\r\n\r\n.border-animation {\r\n  --border-width: 0.1em;\r\n  --animation-speed: 0.5s;\r\n  --color: #ffffff;\r\n  color: var(--color);\r\n  position: relative;\r\n  display: inline-block;\r\n  font-size: 4em;\r\n  line-height: 1em;\r\n  transform: scale(1, 0.8);\r\n  border: var(--border-width) solid transparent;\r\n  \r\n  .border-animation__inner {\r\n    position: relative;\r\n    display: inline-block;\r\n    width: 100%;\r\n    font-family: 'Six Caps', sans-serif;\r\n    font-weight: 300;\r\n    text-transform: uppercase;\r\n    letter-spacing: 0.05em;\r\n    cursor: pointer;\r\n    padding: 0.2em;\r\n    \/\/ background: rgba(50, 50, 50, 0.5);\r\n    background: #333;\r\n    z-index: 1;\r\n    border: solid var(--border-width) transparent;\r\n  }\r\n  \r\n  &amp;:before,\r\n  &amp;:after {\r\n    content: '';\r\n    position: absolute;\r\n    background: var(--color);\r\n  }\r\n  \r\n  &amp;:focus:before,\r\n  &amp;:hover:before {\r\n    animation: beforeBorders var(--animation-speed) forwards ease-in-out;\r\n  }\r\n\r\n  &amp;:focus:after,\r\n  &amp;:hover:after {\r\n    animation: afterBorders var(--animation-speed) forwards ease-in-out;\r\n  }\r\n  \r\n  &amp;:focus,\r\n  &amp;:hover {\r\n    animation: borderColors var(--animation-speed) steps(1) forwards;\r\n    outline: none;\r\n\r\n    .border-animation__inner {\r\n      animation: background calc(var(--animation-speed) \/ 5 * 3) forwards ease-in-out;\r\n      animation-delay: calc(var(--animation-speed) \/ 5 * 2);\r\n    }\r\n  }\r\n}\r\n\r\n@keyframes beforeBorders {\r\n  0% {\r\n    top: calc(var(--border-width) * -1);\r\n    left: 50%;\r\n    bottom: auto;\r\n    right: auto;\r\n    width: 0;\r\n    height: var(--border-width);\r\n  }\r\n  33% {    \r\n    top: calc(var(--border-width) * -1);\r\n    left: calc(var(--border-width) * -1);\r\n    bottom: auto;\r\n    right: auto;\r\n    width: calc(var(--border-width) + 50%);\r\n    height: var(--border-width);\r\n  }\r\n  66% {\r\n    top: calc(var(--border-width) * -1);\r\n    left: calc(var(--border-width) * -1);\r\n    bottom: auto;\r\n    right: auto;\r\n    width: var(--border-width);\r\n    height: calc((var(--border-width) * 2) + 100%);\r\n  }\r\n  100% {\r\n    top: auto;\r\n    left: calc(var(--border-width) * -1);\r\n    bottom: calc(var(--border-width) * -1);\r\n    right: auto;\r\n    width: calc(var(--border-width) + 50%);\r\n    height: calc((var(--border-width) * 2) + 100%);\r\n  }\r\n}\r\n\r\n@keyframes afterBorders {\r\n  0% {\r\n    top: calc(var(--border-width) * -1);\r\n    left: auto;\r\n    bottom: auto;\r\n    right: 50%;\r\n    width: 0;\r\n    height: var(--border-width);\r\n  }\r\n  33% {    \r\n    top: calc(var(--border-width) * -1);\r\n    left: auto;\r\n    bottom: auto;\r\n    right: calc(var(--border-width) * -1);\r\n    width: calc(var(--border-width) + 50%);\r\n    height: var(--border-width);\r\n  }\r\n  66% {\r\n    top: calc(var(--border-width) * -1);\r\n    left: auto;\r\n    bottom: auto;\r\n    right: calc(var(--border-width) * -1);\r\n    width: var(--border-width);\r\n    height: calc((var(--border-width) * 2) + 100%);\r\n  }\r\n  100% {\r\n    top: auto;\r\n    left: auto;\r\n    bottom: calc(var(--border-width) * -1);\r\n    right: calc(var(--border-width) * -1);\r\n    width: calc(var(--border-width) + 50%);\r\n    height: calc((var(--border-width) * 2) + 100%);\r\n  }\r\n}\r\n\r\n@keyframes borderColors {\r\n  0% {\r\n    border-top-color: transparent;\r\n    border-right-color: transparent;\r\n    border-bottom-color: transparent;\r\n    border-left-color: transparent;\r\n  }\r\n  33% {\r\n    border-top-color: var(--color);\r\n    border-right-color: transparent;\r\n    border-bottom-color: transparent;\r\n    border-left-color: transparent;\r\n\r\n  }\r\n  66% {\r\n    border-top-color: var(--color);\r\n    border-right-color: var(--color);\r\n    border-bottom-color: transparent;\r\n    border-left-color: var(--color);\r\n  }\r\n  100% {\r\n    border-top-color: var(--color);\r\n    border-right-color: var(--color);\r\n    border-bottom-color: var(--color);\r\n    border-left-color: var(--color);\r\n  }\r\n}\r\n\r\n@keyframes background {\r\n  to {\r\n    background: #555;\r\n    text-shadow: 0 0.1em 0.1em #111;\r\n  }\r\n}\r\n\r\n@media (min-width: 850px) {\r\n  body {\r\n    justify-content: center;\r\n  }\r\n}\r\n\r\n@media (min-width: 1200px) {\r\n  .border-animation {\r\n    font-size: 6em;\r\n    line-height: 1em;    \r\n  }\r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rengga Dev &#8211; CSS-only border animation\u00a0on hover. It needs a solid background <a class=\"read-more\" href=\"https:\/\/rengga.dev\/blog\/css-tutorial-css-only-border-animation\/\" title=\"CSS Tutorial &#8211; CSS Only Border Animation\" itemprop=\"url\"><\/a><\/p>\n","protected":false},"author":1,"featured_media":3811,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[268,321,197,103,227],"newstopic":[],"class_list":{"0":"post-3371","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-html-css","8":"tag-css-grid","9":"tag-css-only-border-animation","10":"tag-css-tutorial","11":"tag-web-design","12":"tag-web-designer"},"_links":{"self":[{"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/posts\/3371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/comments?post=3371"}],"version-history":[{"count":2,"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/posts\/3371\/revisions"}],"predecessor-version":[{"id":3374,"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/posts\/3371\/revisions\/3374"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/media\/3811"}],"wp:attachment":[{"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/media?parent=3371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/categories?post=3371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/tags?post=3371"},{"taxonomy":"newstopic","embeddable":true,"href":"https:\/\/rengga.dev\/blog\/wp-json\/wp\/v2\/newstopic?post=3371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}