HTML CSS - Input avec différents effets au focus en CSS

/* CSS Border Effects */
.effect-1, 
.effect-2, 
.effect-3{border: 0; padding: 7px 0; border-bottom: 1px solid #ccc;}

.effect-1 ~ .focus-border{position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: #3399FF; transition: 0.4s;}
.effect-1:focus ~ .focus-border{width: 100%; transition: 0.4s;}

.effect-2 ~ .focus-border{position: absolute; bottom: 0; left: 50%; width: 0; height: 2px; background-color: #3399FF; transition: 0.4s;}
.effect-2:focus ~ .focus-border{width: 100%; transition: 0.4s; left: 0;}

.effect-3 ~ .focus-border{position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; z-index: 99;}
.effect-3 ~ .focus-border:before, 
.effect-3 ~ .focus-border:after{content: ""; position: absolute; bottom: 0; left: 0; width: 0; height: 100%; background-color: #3399FF; transition: 0.4s;}
.effect-3 ~ .focus-border:after{left: auto; right: 0;}
.effect-3:focus ~ .focus-border:before, 
.effect-3:focus ~ .focus-border:after{width: 50%; transition: 0.4s;}

.effect-4,
.effect-5,
.effect-6{border: 0; padding: 5px 0 7px; border: 1px solid transparent; border-bottom-color: #ccc; transition: 0.4s;}

.effect-4:focus,
.effect-5:focus,
.effect-6:focus{padding: 5px 14px 7px; transition: 0.4s;}

.effect-4 ~ .focus-border{position: absolute; height: 0; bottom: 0; left: 0; width: 100%; transition: 0.4s; z-index: -1;}
.effect-4:focus ~ .focus-border{transition: 0.4s; height: 36px; border: 2px solid #3399FF; z-index: 1;}

.effect-5 ~ .focus-border{position: absolute; height: 36px; bottom: 0; left: 0; width: 0; transition: 0.4s;}
.effect-5:focus ~ .focus-border{width: 100%; transition: 0.4s; border: 2px solid #3399FF;}

.effect-6 ~ .focus-border{position: absolute; height: 36px; bottom: 0; right: 0; width: 0; transition: 0.4s;}
.effect-6:focus ~ .focus-border{width: 100%; transition: 0.4s; border: 2px solid #3399FF;}

.effect-7,
.effect-8,
.effect-9{border: 1px solid #ccc; padding: 7px 14px 9px; transition: 0.4s;}

.effect-7 ~ .focus-border:before,
.effect-7 ~ .focus-border:after{content: ""; position: absolute; top: 0; left: 50%; width: 0; height: 2px; background-color: #3399FF; transition: 0.4s;}
.effect-7 ~ .focus-border:after{top: auto; bottom: 0;}
.effect-7 ~ .focus-border i:before,
.effect-7 ~ .focus-border i:after{content: ""; position: absolute; top: 50%; left: 0; width: 2px; height: 0; background-color: #3399FF; transition: 0.6s;}
.effect-7 ~ .focus-border i:after{left: auto; right: 0;}
.effect-7:focus ~ .focus-border:before,
.effect-7:focus ~ .focus-border:after{left: 0; width: 100%; transition: 0.4s;}
.effect-7:focus ~ .focus-border i:before,
.effect-7:focus ~ .focus-border i:after{top: 0; height: 100%; transition: 0.6s;}

.effect-8 ~ .focus-border:before,
.effect-8 ~ .focus-border:after{content: ""; position: absolute; top: 0; left: 0; width: 0; height: 2px; background-color: #3399FF; transition: 0.3s;}
.effect-8 ~ .focus-border:after{top: auto; bottom: 0; left: auto; right: 0;}
.effect-8 ~ .focus-border i:before,
.effect-8 ~ .focus-border i:after{content: ""; position: absolute; top: 0; left: 0; width: 2px; height: 0; background-color: #3399FF; transition: 0.4s;}
.effect-8 ~ .focus-border i:after{left: auto; right: 0; top: auto; bottom: 0;}
.effect-8:focus ~ .focus-border:before,
.effect-8:focus ~ .focus-border:after{width: 100%; transition: 0.3s;}
.effect-8:focus ~ .focus-border i:before,
.effect-8:focus ~ .focus-border i:after{height: 100%; transition: 0.4s;}

.effect-9 ~ .focus-border:before,
.effect-9 ~ .focus-border:after{content: ""; position: absolute; top: 0; right: 0; width: 0; height: 2px; background-color: #3399FF; transition: 0.2s; transition-delay: 0.2s;}
.effect-9 ~ .focus-border:after{top: auto; bottom: 0; right: auto; left: 0; transition-delay: 0.6s;}
.effect-9 ~ .focus-border i:before,
.effect-9 ~ .focus-border i:after{content: ""; position: absolute; top: 0; left: 0; width: 2px; height: 0; background-color: #3399FF; transition: 0.2s;}
.effect-9 ~ .focus-border i:after{left: auto; right: 0; top: auto; bottom: 0; transition-delay: 0.4s;}
.effect-9:focus ~ .focus-border:before,
.effect-9:focus ~ .focus-border:after{width: 100%; transition: 0.2s; transition-delay: 0.6s;}
.effect-9:focus ~ .focus-border:after{transition-delay: 0.2s;}
.effect-9:focus ~ .focus-border i:before,
.effect-9:focus ~ .focus-border i:after{height: 100%; transition: 0.2s;}
.effect-9:focus ~ .focus-border i:after{transition-delay: 0.4s;}

/* CSS Background Effects */
.effect-10, 
.effect-11, 
.effect-12,
.effect-13,
.effect-14,
.effect-15{border: 0; padding: 7px 15px; border: 1px solid #ccc; position: relative; background: transparent;}

.effect-10 ~ .focus-bg{position: absolute; left: 0; top: 0; width: 100%; height: 100%; background-color: #ededed; opacity: 0; transition: 0.5s; z-index: -1;}
.effect-10:focus ~ .focus-bg{transition: 0.5s; opacity: 1;}

.effect-11 ~ .focus-bg{position: absolute; left: 0; top: 0; width: 0; height: 100%; background-color: #ededed; transition: 0.3s; z-index: -1;}
.effect-11:focus ~ .focus-bg{transition: 0.3s; width: 100%;}

.effect-12 ~ .focus-bg{position: absolute; left: 50%; top: 0; width: 0; height: 100%; background-color: #ededed; transition: 0.3s; z-index: -1;}
.effect-12:focus ~ .focus-bg{transition: 0.3s; width: 100%; left: 0;}

.effect-13 ~ .focus-bg:before,
.effect-13 ~ .focus-bg:after{content: ""; position: absolute; left: 0; top: 0; width: 0; height: 100%; background-color: #ededed; transition: 0.3s; z-index: -1;}
.effect-13:focus ~ .focus-bg:before{transition: 0.3s; width: 50%;}
.effect-13 ~ .focus-bg:after{left: auto; right: 0;}
.effect-13:focus ~ .focus-bg:after{transition: 0.3s; width: 50%;}

.effect-14 ~ .focus-bg:before,
.effect-14 ~ .focus-bg:after{content: ""; position: absolute; left: 0; top: 0; width: 0; height: 0; background-color: #ededed; transition: 0.3s; z-index: -1;}
.effect-14:focus ~ .focus-bg:before{transition: 0.3s; width: 50%; height: 100%;}
.effect-14 ~ .focus-bg:after{left: auto; right: 0; top: auto; bottom: 0;}
.effect-14:focus ~ .focus-bg:after{transition: 0.3s; width: 50%; height: 100%;}

.effect-15 ~ .focus-bg:before,
.effect-15 ~ .focus-bg:after{content: ""; position: absolute; left: 50%; top: 50%; width: 0; height: 0; background-color: #ededed; transition: 0.3s; z-index: -1;}
.effect-15:focus ~ .focus-bg:before{transition: 0.3s; width: 50%; left: 0; top: 0; height: 100%;}
.effect-15 ~ .focus-bg:after{left: auto; right: 50%; top: auto; bottom: 50%;}
.effect-15:focus ~ .focus-bg:after{transition: 0.3s; width: 50%; height: 100%; bottom: 0; right: 0;}

/* CSS Input with label effects */
.effect-16, 
.effect-17, 
.effect-18{border: 0; padding: 4px 0; border-bottom: 1px solid #ccc; background-color: transparent;}

.effect-16 ~ .focus-border{position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: #3399FF; transition: 0.4s;}
.effect-16:focus ~ .focus-border,
.has-content.effect-16 ~ .focus-border{width: 100%; transition: 0.4s;}
.effect-16 ~ label{position: absolute; left: 0; width: 100%; top: 9px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-16:focus ~ label, .has-content.effect-16 ~ label{top: -16px; font-size: 12px; color: #3399FF; transition: 0.3s;}

.effect-17 ~ .focus-border{position: absolute; bottom: 0; left: 50%; width: 0; height: 2px; background-color: #3399FF; transition: 0.4s;}
.effect-17:focus ~ .focus-border,
.has-content.effect-17 ~ .focus-border{width: 100%; transition: 0.4s; left: 0;}
.effect-17 ~ label{position: absolute; left: 0; width: 100%; top: 9px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-17:focus ~ label, .has-content.effect-17 ~ label{top: -16px; font-size: 12px; color: #3399FF; transition: 0.3s;}

.effect-18 ~ .focus-border{position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; z-index: 99;}
.effect-18 ~ .focus-border:before, 
.effect-18 ~ .focus-border:after{content: ""; position: absolute; bottom: 0; left: 0; width: 0; height: 100%; background-color: #3399FF; transition: 0.4s;}
.effect-18 ~ .focus-border:after{left: auto; right: 0;}
.effect-18:focus ~ .focus-border:before, 
.effect-18:focus ~ .focus-border:after,
.has-content.effect-18 ~ .focus-border:before,
.has-content.effect-18 ~ .focus-border:after{width: 50%; transition: 0.4s;}
.effect-18 ~ label{position: absolute; left: 0; width: 100%; top: 9px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-18:focus ~ label, .has-content.effect-18 ~ label{top: -16px; font-size: 12px; color: #3399FF; transition: 0.3s;}

.effect-19,
.effect-20,
.effect-21{border: 1px solid #ccc; padding: 7px 14px; transition: 0.4s; background: transparent;}

.effect-19 ~ .focus-border:before,
.effect-19 ~ .focus-border:after{content: ""; position: absolute; top: -1px; left: 50%; width: 0; height: 2px; background-color: #3399FF; transition: 0.4s;}
.effect-19 ~ .focus-border:after{top: auto; bottom: 0;}
.effect-19 ~ .focus-border i:before,
.effect-19 ~ .focus-border i:after{content: ""; position: absolute; top: 50%; left: 0; width: 2px; height: 0; background-color: #3399FF; transition: 0.6s;}
.effect-19 ~ .focus-border i:after{left: auto; right: 0;}
.effect-19:focus ~ .focus-border:before,
.effect-19:focus ~ .focus-border:after,
.has-content.effect-19 ~ .focus-border:before,
.has-content.effect-19 ~ .focus-border:after{left: 0; width: 100%; transition: 0.4s;}
.effect-19:focus ~ .focus-border i:before,
.effect-19:focus ~ .focus-border i:after,
.has-content.effect-19 ~ .focus-border i:before,
.has-content.effect-19 ~ .focus-border i:after{top: -1px; height: 100%; transition: 0.6s;}
.effect-19 ~ label{position: absolute; left: 14px; width: 100%; top: 10px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-19:focus ~ label, .has-content.effect-19 ~ label{top: -18px; left: 0; font-size: 12px; color: #3399FF; transition: 0.3s;}

.effect-20 ~ .focus-border:before,
.effect-20 ~ .focus-border:after{content: ""; position: absolute; top: 0; left: 0; width: 0; height: 2px; background-color: #3399FF; transition: 0.3s;}
.effect-20 ~ .focus-border:after{top: auto; bottom: 0; left: auto; right: 0;}
.effect-20 ~ .focus-border i:before,
.effect-20 ~ .focus-border i:after{content: ""; position: absolute; top: 0; left: 0; width: 2px; height: 0; background-color: #3399FF; transition: 0.4s;}
.effect-20 ~ .focus-border i:after{left: auto; right: 0; top: auto; bottom: 0;}
.effect-20:focus ~ .focus-border:before,
.effect-20:focus ~ .focus-border:after,
.has-content.effect-20 ~ .focus-border:before,
.has-content.effect-20 ~ .focus-border:after{width: 100%; transition: 0.3s;}
.effect-20:focus ~ .focus-border i:before,
.effect-20:focus ~ .focus-border i:after,
.has-content.effect-20 ~ .focus-border i:before,
.has-content.effect-20 ~ .focus-border i:after{height: 100%; transition: 0.4s;}
.effect-20 ~ label{position: absolute; left: 14px; width: 100%; top: 10px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-20:focus ~ label, .has-content.effect-20 ~ label{top: -18px; left: 0; font-size: 12px; color: #3399FF; transition: 0.3s;}

.effect-21 ~ .focus-border:before,
.effect-21 ~ .focus-border:after{content: ""; position: absolute; top: 0; right: 0; width: 0; height: 2px; background-color: #3399FF; transition: 0.2s; transition-delay: 0.2s;}
.effect-21 ~ .focus-border:after{top: auto; bottom: 0; right: auto; left: 0; transition-delay: 0.6s;}
.effect-21 ~ .focus-border i:before,
.effect-21 ~ .focus-border i:after{content: ""; position: absolute; top: 0; left: 0; width: 2px; height: 0; background-color: #3399FF; transition: 0.2s;}
.effect-21 ~ .focus-border i:after{left: auto; right: 0; top: auto; bottom: 0; transition-delay: 0.4s;}
.effect-21:focus ~ .focus-border:before,
.effect-21:focus ~ .focus-border:after,
.has-content.effect-21 ~ .focus-border:before,
.has-content.effect-21 ~ .focus-border:after{width: 100%; transition: 0.2s; transition-delay: 0.6s;}
.effect-21:focus ~ .focus-border:after,
.has-content.effect-21 ~ .focus-border:after{transition-delay: 0.2s;}
.effect-21:focus ~ .focus-border i:before,
.effect-21:focus ~ .focus-border i:after,
.has-content.effect-21 ~ .focus-border i:before,
.has-content.effect-21 ~ .focus-border i:after{height: 100%; transition: 0.2s;}
.effect-21:focus ~ .focus-border i:after,
.has-conten.effect-21 ~ .focus-border i:after{transition-delay: 0.4s;}
.effect-21 ~ label{position: absolute; left: 14px; width: 100%; top: 10px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-21:focus ~ label, .has-content.effect-21 ~ label{top: -18px; left: 0; font-size: 12px; color: #3399FF; transition: 0.3s;}

.effect-22, 
.effect-23, 
.effect-24{border: 0; padding: 7px 15px; border: 1px solid #ccc; position: relative; background: transparent;}

.effect-22 ~ .focus-bg{position: absolute; left: 0; top: 0; width: 0; height: 100%; background-color: transparent; transition: 0.4s; z-index: -1;}
.effect-22:focus ~ .focus-bg, 
.has-content.effect-22 ~ .focus-bg{transition: 0.4s; width: 100%; background-color: #ededed;}
.effect-22 ~ label{position: absolute; left: 14px; width: 100%; top: 10px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-22:focus ~ label, .has-content.effect-22 ~ label{top: -18px; left: 0; font-size: 12px; color: #fff; transition: 0.3s;}

.effect-23 ~ .focus-bg:before,
.effect-23 ~ .focus-bg:after{content: ""; position: absolute; left: 0; top: 0; width: 0; height: 0; background-color: #ededed; transition: 0.3s; z-index: -1;}
.effect-23:focus ~ .focus-bg:before,
.has-content.effect-23 ~ .focus-bg:before{transition: 0.3s; width: 50%; height: 100%;}
.effect-23 ~ .focus-bg:after{left: auto; right: 0; top: auto; bottom: 0;}
.effect-23:focus ~ .focus-bg:after,
.has-content.effect-23 ~ .focus-bg:after{transition: 0.3s; width: 50%; height: 100%;}
.effect-23 ~ label{position: absolute; left: 14px; width: 100%; top: 10px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-23:focus ~ label, .has-content.effect-23 ~ label{top: -18px; left: 0; font-size: 12px; color: #fff; transition: 0.3s;}

.effect-24 ~ .focus-bg:before,
.effect-24 ~ .focus-bg:after{content: ""; position: absolute; left: 50%; top: 50%; width: 0; height: 0; background-color: #ededed; transition: 0.3s; z-index: -1;}
.effect-24:focus ~ .focus-bg:before,
.has-content.effect-24 ~ .focus-bg:before{transition: 0.3s; width: 50%; left: 0; top: 0; height: 100%;}
.effect-24 ~ .focus-bg:after{left: auto; right: 50%; top: auto; bottom: 50%;}
.effect-24:focus ~ .focus-bg:after,
.has-content.effect-24 ~ .focus-bg:after{transition: 0.3s; width: 50%; height: 100%; bottom: 0; right: 0;}
.effect-24 ~ label{position: absolute; left: 14px; width: 100%; top: 10px; color: #aaa; transition: 0.3s; z-index: -1; letter-spacing: 0.5px;}
.effect-24:focus ~ label, .has-content.effect-24 ~ label{top: -18px; left: 0; font-size: 12px; color: #fff; transition: 0.3s;}