استایل Border انیمیشنی زیبا - CSS Border transitions ( نمونه 6)

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%;

}

/* Spin & Thick */

.spin {

width: 5em;

height: 5em;

padding: 0;

}

.spin:hover {

color: #0eb7da;

}

.spin::before, .spin::after {

top: 0;

left: 0;

}

.spin::before {

border: 2px solid transparent;

}

.spin:hover::before {

border-top-color: #0eb7da;

border-right-color: #0eb7da;

border-bottom-color: #0eb7da;

-webkit-transition: border-top-color 0.15s linear, border-right-color 0.15s linear 0.1s, border-bottom-color 0.15s linear 0.2s;

transition: border-top-color 0.15s linear, border-right-color 0.15s linear 0.1s, border-bottom-color 0.15s linear 0.2s;

}

.spin::after {

border: 0 solid transparent;

}

.spin:hover::after {

border-top: 2px solid #0eb7da;

border-left-width: 2px;

border-right-width: 2px;

-webkit-transform: rotate(270deg);

transform: rotate(270deg);

-webkit-transition: border-left-width 0s linear 0.35s, -webkit-transform 0.4s linear 0s;

transition: border-left-width 0s linear 0.35s, -webkit-transform 0.4s linear 0s;

transition: transform 0.4s linear 0s, border-left-width 0s linear 0.35s;

transition: transform 0.4s linear 0s, border-left-width 0s linear 0.35s, -webkit-transform 0.4s linear 0s;

}

.thick {

color: #f45e61;

}

.thick:hover {

color: #fff;

font-weight: 700;

}

.thick::before {

border: 2.5em solid transparent;

z-index: -1;

}

.thick::after {

mix-blend-mode: color-dodge;

z-index: -1;

}

.thick:hover::before {

background: #f45e61;

border-top-color: #f45e61;

border-right-color: #f45e61;

border-bottom-color: #f45e61;

-webkit-transition: background 0s linear 0.4s, border-top-color 0.15s linear, border-right-color 0.15s linear 0.15s, border-bottom-color 0.15s linear 0.25s;

transition: background 0s linear 0.4s, border-top-color 0.15s linear, border-right-color 0.15s linear 0.15s, border-bottom-color 0.15s linear 0.25s;

}

.thick:hover::after {

border-top: 2.5em solid #f45e61;

border-left-width: 2.5em;

border-right-width: 2.5em;

}

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