SCSS
$pink: #E5446D;
$blue: #52BDF2;
* {
box-sizing: border-box;
}
body {
background-color: #222;
}
@mixin gradient-border($color1, $color2, $border-width, $direction) {
border: none;
background-repeat: no-repeat;
background-image: linear-gradient(#{$direction}, $color1 0%, $color2 100%),
linear-gradient(#{$direction}, $color1 0%, $color2 100%);
@if $direction == 'to right' or $direction == 'to left' {
@if $direction == 'to right' {
border-left: $border-width solid $color1;
border-right: $border-width solid $color2;
} @else {
border-left: $border-width solid $color2;
border-right: $border-width solid $color1;
}
background-position: 0 0, 0 100%;
background-size: 100% $border-width;
}
@if $direction == 'to top' or $direction == 'to bottom' {
@if $direction == 'to top' {
border-top: $border-width solid $color2;
border-bottom: $border-width solid $color1;
} @else {
border-top: $border-width solid $color1;
border-bottom: $border-width solid $color2;
}
background-position: 0 0, 100% 0;
background-size: $border-width 100%;
}
}
.wrapper {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
.input {
width: 450px;
}
.inner-input {
position: relative;
font-size: 36px;
width: 100%;
padding: 0.5em 0.6em;
line-height: 1.4;
-webkit-appearance: none;
border-radius: 2px;
@include gradient-border($pink, $blue, 3px, 'to right');
background-color: transparent;
color: white;
&::-webkit-input-placeholder {
color: #eee;
font-family: 'Proxima Nova', 'futura', 'helvetica';
transition: color 0.2s ease-out;
}
&:focus {
outline: none;
&::-webkit-input-placeholder {
color: white;
}
~ .input-big {;
opacity: 1;
}
}
}
.input-big {
display: block;
position: absolute;
z-index: -1;
opacity: 0;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-image: linear-gradient(to right, $pink 0%, $blue 100%),
linear-gradient(to right, $pink 0%, $blue 100%);
transition: all 0.3s ease-out;
}