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.Опубликовано в CSS3 тултипы - подсказки
Всплывающие подсказки реализованные на CSS. К подсказке можно прикрепить и изображение. HTML   <div class="coo">     <p>         <h1>Firefox версии 8.0 (официальный релиз)</h1>         <br/>         Сообщество разработчиков Mozilla выпустило официальную версию <span class="tooltip" data-tooltip="Web-браузер, строящийся на базе 'движка' Gecko.">Firefox 8.0</span>     </p>     <p>Некоторые характеристики Firefox версии 8.0:         <ul>             <li>Установленные расширения от сторонних разработчиков по умолчанию теперь отключены.</li>             <li> Добавлено диалоговое окно, которое единовременно предлагает разобраться с установленными ранее расширениями к web-браузеру.</li>             <li>В поисковой панели добавлен поиск в <span class="tooltip" data-tooltip="Популярная социальная сеть">Twitter</span>.</li>             <li>Добавлена настройка загрузки вкладок по запросу - улучшение скорости запуска браузера при восстановлении окон.</li>             <li>Улучшена производительность и работа с памятью элементов <audio> и <video> стандарта HTML5.</li>             <li> В работе WebGL появилась поддержка CORS (Cross-Origin Resource Sharing).</li>             <li> Добавлена поддержка контекстных меню HTML5.</li>             <li> Добавлена поддержка insertAdjacentHTML</li>             <li> Улучшена поддержка переносов (слов) в CSS для многих языков.</li>             <li> Улучшена поддержка WebSocket.</li>             <li>Устранены некоторые недочёты, негативно влиявшие на стабильность работы.</li>             <li>Исправлен ряд уязвимостей.</li>         </ul>         Скачать нужный вам дистрибутив web-браузера Firefox вы можете со страницы загрузки, адрес которой указан ниже.<br/>         Страница загрузки официальной версии: <a class="htooltip" href="http://www.mozilla.org/en-US/firefox/all.html">Firefox 8<span>Firefox 8 — Функциональный интернет браузер<img src="mozilla_firefox.png"></span></a>     </p>         </div>   CSS   .coo {     padding: 25px;     margin: 0 auto;     width: 800px;     font-family: Arial; } .tooltip {     border-bottom: 1px dotted #0077AA;     cursor: help;     color: #0077AA; } .tooltip:hover {     color: #0099CC; } .tooltip:after {     background: rgba(0, 0, 0, 0.8);     border-radius: 8px 8px 8px 0px;     box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.5);     color: #FFF;     content: attr(data-tooltip);     margin-top: -24px;     opacity: 0;     padding: 3px 7px;     position: absolute;     visibility: hidden;         transition: all 0.4s ease-in-out;     -moz-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     -ms-transition: all 0.4s ease-in-out;     -o-transition: all 0.4s ease-in-out;     -webkit-transition: all 0.4s ease-in-out; } .tooltip:hover:after {     opacity: 1;     visibility: visible; } .htooltip, .htooltip:visited, .tooltip:active {     color: #0077AA;     text-decoration: none; } .htooltip:hover {     color: #0099CC; } .htooltip span {     background-color: rgba(0,0,0, 0.8);     border-radius: 15px 15px 15px 0px;     box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.5);     color: #fff;     margin-left: 2px;     margin-top: -75px;     opacity: 0;     padding: 10px 10px 10px 40px;     position: absolute;     text-decoration: none;     visibility: hidden;     width: 350px;     z-index: 10;         -moz-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     -webkit-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     -o-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     -ms-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out; } .htooltip:hover span {     position: absolute;     opacity: 1;     visibility: visible; } .htooltip span img {     border: 0 none;     float: left;     margin: -51px 0 0 -124px;     opacity: 0;     position: absolute;     visibility: hidden;     z-index: -1;         -moz-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     -webkit-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     -o-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     -ms-transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;     transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out; } .htooltip:hover span img {     opacity: 1;     visibility: visible; }      
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.Опубликовано в Оформление тегов на CSS3
Посмотрим как можно по современному оформить обычные теги используя CSS3, но рассмотрим также и вариант с поддержкой iexplorer старых версий. HTML Простая разметка: <a href="#" class="tag">навигация</a> <a href="#" class="tag">иконки</a> <a href="#" class="tag">CSS3</a> <a href="#" class="tag">jQuery</a> <a href="#" class="tag">Выпадающее меню</a> CSS Всю работу по оформлению выполняет CSS3: .tag {     float:left;     margin:0 0 7px 20px;     position:relative;       font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;     font-size:0.75em;     font-weight:bold;     text-decoration:none;       color:#996633;     text-shadow:0px 1px 0px rgba(255,255,255,.4);       padding:0.417em 0.417em 0.417em 0.917em;       border-top:1px solid #d99d38;     border-right:1px solid #d99d38;     border-bottom:1px solid #d99d38;       -webkit-border-radius:0 0.25em 0.25em 0;     -moz-border-radius:0 0.25em 0.25em 0;     border-radius:0 0.25em 0.25em 0;       background-image: -webkit-linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));     background-image: -moz-linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));     background-image: -o-linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));     background-image: -ms-linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));     background-image: linear-gradient(top, rgb(254, 218, 113), rgb(254, 186, 71));     filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#feda71', EndColorStr='#feba47');       -webkit-box-shadow:         inset 0 1px 0 #faeaba,         0 1px 1px rgba(0,0,0,.1);     -moz-box-shadow:         inset 0 1px 0 #faeaba,         0 1px 1px rgba(0,0,0,.1);     box-shadow:         inset 0 1px 0 #faeaba,         0 1px 1px rgba(0,0,0,.1); } .tag:before {     content:'';       width:1.30em;     height:1.358em;       background-image: -webkit-linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));     background-image: -moz-linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));     background-image: -o-linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));     background-image: -ms-linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));     background-image: linear-gradient(left top, rgb(254, 218, 113), rgb(254, 186, 71));     filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1,StartColorStr='#feda71', EndColorStr='#feba47');         position:absolute;     left:-0.69em;     top:.2em;       -webkit-transform:rotate(45deg);     -moz-transform:rotate(45deg);     -o-transform:rotate(45deg);     transform:rotate(45deg);       border-left:1px solid #d99d38;     border-bottom:1px solid #d99d38;       -webkit-border-radius:0 0 0 0.25em;     -moz-border-radius:0 0 0 0.25em;     border-radius:0 0 0 0.25em;       z-index:1; } .tag:after {     content:'';       width:0.5em;     height:0.5em;       background:#fff;       -webkit-border-radius:4.167em;     -moz-border-radius:4.167em;     border-radius:4.167em;       border:1px solid #d99d38;       -webkit-box-shadow:0 1px 0 #faeaba;     -moz-box-shadow:0 1px 0 #faeaba;     box-shadow:0 1px 0 #faeaba;       position:absolute;     top:0.667em;     left:-0.083em;     z-index:9999; } .tag:hover {     background-image: -webkit-linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));     background-image: -moz-linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));     background-image: -o-linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));     background-image: -ms-linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));     background-image: linear-gradient(top, rgb(254, 225, 141), rgb(254, 200, 108));     filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#fee18d', EndColorStr='#fec86c');       border-color:#e1b160; } .tag:hover:before {     background-image: -webkit-linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));     background-image: -moz-linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));     background-image: -o-linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));     background-image: -ms-linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));     background-image: linear-gradient(left top, rgb(254, 225, 141), rgb(254, 200, 108));     filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1,StartColorStr='#fee18d', EndColorStr='#fec86c');       border-color:#e1b160; } А вариант с поддержкой старых браузеров, которые не понимают новые свойства CSS3, в частности псевдо-селекторы, градиенты потребует использования нарезанных изображений из PSD исходника визуального оформления тега. HTML Потребуется и более сложная html разметка: <a href="#" class="tag">     <span class="arrow"></span>     <span class="text">навигация</span>     <span class="end"></span> </a> CSS .arrow {     width:15px;     height:25px;     float:left;       background:url(../images/arrow.png) no-repeat; } .text {     height:25px;     float:left;       padding-left:4px;     padding-right:4px;       background:url(../images/text.png) repeat-x;       font-family:Arial, sans-serif;     font-size:0.75em;     font-weight:bold;       color:#996633;       line-height:23px; } .end {     width:4px;     height:25px;     float:left;       background:url(../images/end.png) no-repeat; } .tag{     margin-bottom:10px;     margin-left:10px;     float:left;     text-decoration:none; } .tag:hover .arrow {     background-image:url(../images/arrow_hover.png); } .tag:hover .text {     background-image:url(../images/text_hover.png); } .tag:hover .end {     background-image:url(../images/end_hover.png); }    
Форма авторизации в стиле неоморфизм Верстка формы авторизации и регистрации в стиле неоморфизм. При клике на вторую кнопку происходит плавная slide анимация смены полей формы с авторизации на регистрацию и наоборот.     HTML <!DOCTYPE html> <html lang="es" dir="ltr"> <head> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0"> <meta charset="utf-8"> <link rel="stylesheet" type="text/css" href="main.css"><link href="https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;800&display=swap" rel="stylesheet"> </head> <body> <div class="main"> <div class="container a-container" id="a-container"> <form class="form" id="a-form" method="" action=""> <h2 class="form_title title">Create Account</h2> <div class="form__icons"><img class="form__icon" src="dаta:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiA/PjxzdmcgaGVpZ2h0PSI1MHB4IiB2ZXJzaW9uPSIxLjEiIHZpZXdCb3g9IjAgMCA1MCA1MCIgd2lkdGg9IjUwcHgiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6c2tldGNoPSJodHRwOi8vd3d3LmJvaGVtaWFuY29kaW5nLmNvbS9za2V0Y2gvbnMiIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIj48dGl0bGUvPjxkZWZzLz48ZyBmaWxsPSJub25lIiBmaWxsLXJ1bGU9ImV2ZW5vZGQiIGlkPSJQYWdlLTEiIHN0cm9rZT0ibm9uZSIgc3Ryb2tlLXdpZHRoPSIxIj48ZyBmaWxsPSIjMDAwMDAwIiBpZD0iRmFjZWJvb2siPjxwYXRoIGQ9Ik0yNSw1MCBDMzguODA3MTE5NCw1MCA1MCwzOC44MDcxMTk0IDUwLDI1IEM1MCwxMS4xOTI4ODA2IDM4LjgwNzExOTQsMCAyNSwwIEMxMS4xOTI4ODA2LDAgMCwxMS4xOTI4ODA2IDAsMjUgQzAsMzguODA3MTE5NCAxMS4xOTI4ODA2LDUwIDI1LDUwIFogTTI1LDQ3IEMzNy4xNTAyNjUxLDQ3IDQ3LDM3LjE1MDI2NTEgNDcsMjUgQzQ3LDEyLjg0OTczNDkgMzcuMTUwMjY1MSwzIDI1LDMgQzEyLjg0OTczNDksMyAzLDEyLjg0OTczNDkgMywyNSBDMywzNy4xNTAyNjUxIDEyLjg0OTczNDksNDcgMjUsNDcgWiBNMjYuODE0NTE5NywzNiBMMjYuODE0NTE5NywyNC45OTg3MTIgTDMwLjA2ODc0NDksMjQuOTk4NzEyIEwzMC41LDIxLjIwNzYwNzIgTDI2LjgxNDUxOTcsMjEuMjA3NjA3MiBMMjYuODIwMDQ4NiwxOS4zMTAxMjI3IEMyNi44MjAwNDg2LDE4LjMyMTM0NDIgMjYuOTIwNzIwOSwxNy43OTE1MzQxIDI4LjQ0MjU1MzgsMTcuNzkxNTM0MSBMMzAuNDc2OTYyOSwxNy43OTE1MzQxIEwzMC40NzY5NjI5LDE0IEwyNy4yMjIyNzY5LDE0IEMyMy4zMTI4NzU 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src="dаta:image/svg+xml;base64,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src="dаta:image/svg+xml;base64,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type="text" placeholder="Email"> <input class="form__input" type="password" placeholder="Password"> <button class="form__button button submit">SIGN UP</button> </form> </div> <div class="container b-container" id="b-container"> <form class="form" id="b-form" method="" action=""> <h2 class="form_title title">Sign in to Website</h2> <div class="form__icons"><img class="form__icon" 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type="password" placeholder="Password"><a class="form__link">Forgot your password?</a> <button class="form__button button submit">SIGN IN</button> </form> </div> <div class="switch" id="switch-cnt"> <div class="switch__circle"></div> <div class="switch__circle switch__circle--t"></div> <div class="switch__container" id="switch-c1"> <h2 class="switch__title title">Welcome Back !</h2> <p class="switch__description description">To keep connected with us please login with your personal info</p> <button class="switch__button button switch-btn">SIGN IN</button> </div> <div class="switch__container is-hidden" id="switch-c2"> <h2 class="switch__title title">Hello Friend !</h2> <p class="switch__description description">Enter your personal details and start journey with us</p> <button class="switch__button button switch-btn">SIGN UP</button> </div> </div> </div> <script src="main.js"></script> </body> </html> SCSS $bg: #EDF2F0; $neu-1: #ecf0f3; $neu-2: #d1d9e6; $white: #f9f9f9; $gray: #a0a5a8; $black: #181818; $purple: #4B70E2; $transition: 1.25s; *, *::after, *::before {     margin: 0;     padding: 0;     box-sizing: border-box; user-select: none; } /* Generic */ body{ width: 100%; height: 100vh; display: flex; justify-content: center; align-items: center; font-family: 'Montserrat', sans-serif; font-size: 12px;     background-color: $neu-1;     color: $gray; } /**/ .main{ position: relative; width: 1000px;     min-width: 1000px;     min-height: 600px; height: 600px; padding: 25px;     background-color: $neu-1;     box-shadow:         10px 10px 10px $neu-2,         -10px -10px 10px $white;     border-radius: 12px;     overflow: hidden; } .container{ display: flex; justify-content: center; align-items: center; position: absolute; top: 0; width: 600px; height: 100%; padding: 25px;     background-color: $neu-1; transition: $transition; } .form{ display: flex; justify-content: center; align-items: center; flex-direction: column; width: 100%; height: 100%; &__icon{ object-fit: contain; width: 30px; margin: 0 5px; opacity: .5; transition: .15s; &:hover{ opacity: 1; transition: .15s; cursor: pointer; } } &__input{ width: 350px; height: 40px; margin: 4px 0; padding-left: 25px; font-size: 13px; letter-spacing: .15px; border: none; outline: none; font-family: 'Montserrat', sans-serif;         background-color: $neu-1;         transition: .25s ease;         border-radius: 8px;         box-shadow:             inset 2px 2px 4px $neu-2,             inset -2px -2px 4px $white;         &:focus{             box-shadow:                 inset 4px 4px 4px $neu-2,                 inset -4px -4px 4px $white;         } } &__span{ margin-top: 30px; margin-bottom: 12px; } &__link{ color: $black; font-size: 15px; margin-top: 25px; border-bottom: 1px solid $gray; line-height: 2; } } .title{ font-size: 34px; font-weight: 700; line-height: 3; color: $black; } .description{ font-size: 14px; letter-spacing: .25px; text-align: center; line-height: 1.6; } .button{ width: 180px; height: 50px; border-radius: 25px; margin-top: 50px; font-weight: 700; font-size: 14px; letter-spacing: 1.15px;     background-color: $purple;     color: $white;     box-shadow:         8px 8px 16px $neu-2,         -8px -8px 16px $white;     border: none; outline: none; } /**/ .a-container{ z-index: 100; left: calc(100% - 600px ); } .b-container{ left: calc(100% - 600px ); z-index: 0; } .switch{ display: flex; justify-content: center; align-items: center; position: absolute; top: 0; left: 0; height: 100%; width: 400px; padding: 50px; z-index: 200; transition: $transition; background-color: $neu-1; overflow: hidden;     box-shadow:         4px 4px 10px $neu-2,         -4px -4px 10px $white; &__circle{ position: absolute; width: 500px; height: 500px; border-radius: 50%;         background-color: $neu-1;         box-shadow:             inset 8px 8px 12px $neu-2,             inset -8px -8px 12px $white; bottom: -60%; left: -60%; transition: $transition; &--t{ top: -30%; left: 60%; width: 300px; height: 300px; } } &__container{ display: flex; justify-content: center; align-items: center; flex-direction: column; position: absolute; width: 400px; padding: 50px 55px; transition: $transition ; } &__button{ cursor: pointer;         &:hover{             box-shadow:                 6px 6px 10px $neu-2,                 -6px -6px 10px $white;             transform: scale(.985);             transition: .25s;         }         &:active,         &:focus{             box-shadow:                 2px 2px 6px $neu-2,                 -2px -2px 6px $white;             transform: scale(.97);             transition: .25s;         } } } /**/ .is-txr{ left: calc(100% - 400px ); transition: $transition; transform-origin: left; } .is-txl{ left: 0; transition: $transition; transform-origin: right; } .is-z200{ z-index: 200; transition: $transition; } .is-hidden{ visibility: hidden; opacity: 0; position: absolute; transition: $transition; } .is-gx{ animation: is-gx $transition; } @keyframes is-gx { 0%, 10%, 100%{ width: 400px; } 30%, 50%{ width: 500px;} } JS let switchCtn = document.querySelector("#switch-cnt"); let switchC1 = document.querySelector("#switch-c1"); let switchC2 = document.querySelector("#switch-c2"); let switchCircle = document.querySelectorAll(".switch__circle"); let switchBtn = document.querySelectorAll(".switch-btn"); let aContainer = document.querySelector("#a-container"); let bContainer = document.querySelector("#b-container"); let allButtons = document.querySelectorAll(".submit"); let getButtons = (e) => e.preventDefault() let changeForm = (e) => { switchCtn.classList.add("is-gx"); setTimeout(function(){ switchCtn.classList.remove("is-gx"); }, 1500) switchCtn.classList.toggle("is-txr"); switchCircle[0].classList.toggle("is-txr"); switchCircle[1].classList.toggle("is-txr"); switchC1.classList.toggle("is-hidden"); switchC2.classList.toggle("is-hidden"); aContainer.classList.toggle("is-txl"); bContainer.classList.toggle("is-txl"); bContainer.classList.toggle("is-z200"); } let mainF = (e) => { for (var i = 0; i < allButtons.length; i++) allButtons[i].addEventListener("click", getButtons ); for (var i = 0; i < switchBtn.length; i++) switchBtn[i].addEventListener("click", changeForm) } window.addEventListener("load", mainF);