Menú de hamburguesa morphing con Pure CSS/CSS3

Vista prévia

Descripción

Una muy buena navegación aplicación/sitio que tiene la capacidad de transformar el botón de hamburguesa en un panel de navegación superior cuando se hace clic/pegado. Construido usando puro CSS y animaciones CSS3.

Funcionamiento

Crear el menú de navegación:

<nav class="nav">

<a class="nav-item" href="#">Home</a>

<a class="nav-item" href="#">Blog</a>

<a class="nav-item" href="#">About</a>

<a class="nav-item" href="#">Contact</a>
</nav>

Crear el botón de alternar menú estilo hamburguesa utilizando elementos de casilla de verificación y etiqueta como este:

<!-- This checkbox will give us the toggle behavior, it will be hidden, but functional -->
<input id="toggle" type="checkbox">

<!-- IMPORTANT: Any element that we want to modify when the checkbox state changes go here, being "sibling" of the checkbox element -->

<!-- This label is tied to the checkbox, and it will contain the toggle "buttons" -->
<label class="toggle-container" for="toggle">

<!-- If menu is open, it will be the "X" icon, otherwise just a clickable area behind the hamburger menu icon -->

<span class="button button-toggle"></span>
</label>

Los principales estilos CSS para el menú de navegación.

.nav {

display: inline-block;

margin: 25px 25px 20px;

pointer-events: none;

-webkit-transition: 0.5s;

transition: 0.5s;
}

.nav-item {

position: relative;

display: inline-block;

float: left;

clear: both;

color: transparent;

font-size: 14px;

letter-spacing: -6.2px;

height: 7px;

line-height: 7px;

text-transform: uppercase;

white-space: nowrap;

-webkit-transform: scaleY(0.2);



-ms-transform: scaleY(0.2);





transform: scaleY(0.2);

-webkit-transition: 0.5s, opacity 1s;

transition: 0.5s, opacity 1s;
}

.nav-item:nth-child(1) {

-webkit-transition-delay: 0s;





transition-delay: 0s;
}

.nav-item:nth-child(1):before {

-webkit-transition-delay: 0s;





transition-delay: 0s;
}

.nav-item:nth-child(2) {

-webkit-transition-delay: 0.05s;





transition-delay: 0.05s;
}

.nav-item:nth-child(2):before {

-webkit-transition-delay: 0.05s;





transition-delay: 0.05s;
}

.nav-item:nth-child(3) {

-webkit-transition-delay: 0.1s;





transition-delay: 0.1s;
}

.nav-item:nth-child(3):before {

-webkit-transition-delay: 0.1s;





transition-delay: 0.1s;
}

.nav-item:nth-child(4) {

-webkit-transition-delay: 0.15s;





transition-delay: 0.15s;
}

.nav-item:nth-child(4):before {

-webkit-transition-delay: 0.15s;





transition-delay: 0.15s;
}

.nav-item:nth-child(1) {

letter-spacing: -8px;
}

.nav-item:nth-child(2) {

letter-spacing: -7px;
}

.nav-item:nth-child(n + 4) {

letter-spacing: -8px;

margin-top: -7px;

opacity: 0;
}

.nav-item:before {

position: absolute;

content: '';

top: 50%;

left: 0;

width: 100%;

height: 2px;

background-color: #EC7263;

-webkit-transform: translateY(-50%) scaleY(5);



-ms-transform: translateY(-50%) scaleY(5);





transform: translateY(-50%) scaleY(5);

-webkit-transition: 0.5s;

transition: 0.5s;
}

Estilo el botón de alternar menú de hamburguesa.

.button-toggle {

position: absolute;

display: inline-block;

width: 20px;

height: 20px;

margin: 25px;

background-color: transparent;

border: none;

cursor: pointer;

border-radius: 100%;

-webkit-transition: 0.6s;

transition: 0.6s;
}

.button-toggle:hover {

box-shadow: 0 0 0 8px rgba(0, 0, 0, 0.1), inset 0 0 0 20px rgba(0, 0, 0, 0.1);
}

.button-toggle:before, .button-toggle:after {

position: absolute;

content: '';

top: 50%;

left: 0;

width: 100%;

height: 2px;

background-color: #EC7263;

border-radius: 5px;

-webkit-transition: 0.5s;

transition: 0.5s;
}

.button-toggle:before {

-webkit-transform: translateY(-50%) rotate(45deg) scale(0);



-ms-transform: translateY(-50%) rotate(45deg) scale(0);





transform: translateY(-50%) rotate(45deg) scale(0);
}

.button-toggle:after {

-webkit-transform: translateY(-50%) rotate(-45deg) scale(0);



-ms-transform: translateY(-50%) rotate(-45deg) scale(0);





transform: translateY(-50%) rotate(-45deg) scale(0);
}

La funcionalidad de alternancia.

#toggle {

display: none;
}

#toggle:checked ~ .toggle-container .button-toggle {

box-shadow: 0 0 0 550px rgba(0, 0, 0, 0.1), inset 0 0 0 20px rgba(0, 0, 0, 0.1);
}

#toggle:checked ~ .toggle-container .button-toggle:before {

-webkit-transform: translateY(-50%) rotate(45deg) scale(1);



-ms-transform: translateY(-50%) rotate(45deg) scale(1);





transform: translateY(-50%) rotate(45deg) scale(1);
}

#toggle:checked ~ .toggle-container .button-toggle:after {

-webkit-transform: translateY(-50%) rotate(-45deg) scale(1);



-ms-transform: translateY(-50%) rotate(-45deg) scale(1);





transform: translateY(-50%) rotate(-45deg) scale(1);
}

#toggle:checked ~ .nav {

margin-bottom: 100px;

pointer-events: auto;

-webkit-transform: translate(50px, 50px);



-ms-transform: translate(50px, 50px);





transform: translate(50px, 50px);
}

#toggle:checked ~ .nav .nav-item {

color: #EC7263;

letter-spacing: 0;

height: 40px;

line-height: 40px;

margin-top: 0;

opacity: 1;

-webkit-transform: scaleY(1);



-ms-transform: scaleY(1);





transform: scaleY(1);

-webkit-transition: 0.5s, opacity 0.1s;

transition: 0.5s, opacity 0.1s;
}

#toggle:checked ~ .nav .nav-item:nth-child(1) {

-webkit-transition-delay: 0.15s;





transition-delay: 0.15s;
}

#toggle:checked ~ .nav .nav-item:nth-child(1):before {

-webkit-transition-delay: 0.15s;





transition-delay: 0.15s;
}

#toggle:checked ~ .nav .nav-item:nth-child(2) {

-webkit-transition-delay: 0.1s;





transition-delay: 0.1s;
}

#toggle:checked ~ .nav .nav-item:nth-child(2):before {

-webkit-transition-delay: 0.1s;





transition-delay: 0.1s;
}

#toggle:checked ~ .nav .nav-item:nth-child(3) {

-webkit-transition-delay: 0.05s;





transition-delay: 0.05s;
}

#toggle:checked ~ .nav .nav-item:nth-child(3):before {

-webkit-transition-delay: 0.05s;





transition-delay: 0.05s;
}

#toggle:checked ~ .nav .nav-item:nth-child(4) {

-webkit-transition-delay: 0s;





transition-delay: 0s;
}

#toggle:checked ~ .nav .nav-item:nth-child(4):before {

-webkit-transition-delay: 0s;





transition-delay: 0s;
}

#toggle:checked ~ .nav .nav-item:before {

opacity: 0;
}

#toggle:checked ~ .dummy-content {

padding-top: 30px;
}

#toggle:checked ~ .dummy-content:before {

background-color: rgba(0, 0, 0, 0.3);
}