استایل Border انیمیشنی زیبا - CSS Border transitions ( نمونه 3)

html {

background: #fefefe;

}

body {

color: #4b507a;

font: 300 24px/1.5 Lato, sans-serif;

margin: 1em auto;

max-width: 36em;

padding: 1em 1em 2em;

text-align: center;

isolation: isolate;

}

button {

background: none;

border: 0;

box-sizing: border-box;

box-shadow: inset 0 0 0 2px #f45e61;

color: #f45e61;

font-size: inherit;

font-weight: 700;

margin: 1em;

padding: 1em 2em;

text-align: center;

text-transform: capitalize;

position: relative;

vertical-align: middle;

}

button::before, button::after {

box-sizing: border-box;

content: '';

position: absolute;

width: 100%;

height: 100%;

}

/* Center */

.center:hover {

color: #6477b9;

}

.center::before, .center::after {

top: 0;

left: 0;

height: 100%;

width: 100%;

-webkit-transform-origin: center;

transform-origin: center;

}

.center::before {

border-top: 2px solid #6477b9;

border-bottom: 2px solid #6477b9;

-webkit-transform: scale3d(0, 1, 1);

transform: scale3d(0, 1, 1);

}

.center::after {

border-left: 2px solid #6477b9;

border-right: 2px solid #6477b9;

-webkit-transform: scale3d(1, 0, 1);

transform: scale3d(1, 0, 1);

}

.center:hover::before, .center:hover::after {

-webkit-transform: scale3d(1, 1, 1);

transform: scale3d(1, 1, 1);

-webkit-transition: -webkit-transform 0.5s;

transition: -webkit-transform 0.5s;

transition: transform 0.5s;

transition: transform 0.5s, -webkit-transform 0.5s;

}

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