تاثيرات خاصة على الروابط والنصوص في المواقع بإستخدام CSS

a.izdadcha {
  position: relative;
  overflow: hidden;
  display: inline-block;
  text-decoration: none;
  color: #e23636;
  font-size: 40px;
  line-height: 46px;
  padding: 0 0 6px;
}

a.izdadcha:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: -100%;
  width: 100%;
  height: 3px;
  background: #333;
  transition: left .8s;
}

a.izdadcha:hover:after {
  left: 0;
}
<a class="izdadcha" href="">يتوسط خط من اليسار</a>

a.dchaizda {
  position: relative;
  overflow: hidden;
  display: inline-block;
  text-decoration: none;
  color: #333;
  font-size: 40px;
  line-height: 46px;
  padding: 0 0 6px;
}

a.dchaizda:after {
  content: "";
  position: absolute;
  bottom: 0;
  right: -100%;
  width: 100%;
  height: 3px;
  background: #333;
  transition: right .8s;
}

a.dchaizda:hover:after {
  right: 0;
}
<a class="dchaizda" href="">يتوسط خط من اليمين</a>

a.dobleizdadcha {
  position: relative;
  overflow: hidden;
  display: inline-block;
  text-decoration: none;
  color: #333;
  font-size: 40px;
  line-height: 46px;
  padding: 0 0 6px;
}

a.dobleizdadcha:before,
a.dobleizdadcha:after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 3px;
  background: #333;
  transition: left .8s;
}

a.dobleizdadcha:hover:before {
  left: 0;
}

a.dobleizdadcha:after {
  top: auto;
  bottom: 0;
  left: auto;
  right: -100%;
  background: #333;
  transition: right .8s;
}

a.dobleizdadcha:hover:after {
  right: 0;
}
<a class="dobleizdadcha" href="">خط من الاعلى والاسفل</a>

a.centro {
  display: inline-block;
  position: relative;
  color: #333;
  text-decoration: none;
  font-size: 40px;
  line-height: 46px;
  padding: 0 0 6px;
}

a.centro:after {
  content: "";
  display: block;
  margin: auto;
  height: 3px;
  width: 0px;
  transition: all .8s;
}

a.centro:hover:after {
  width: 100%;
  background: #333;
}
<a class="centro" href="">خط من الوسط</a>

a.doblecentro {
  display: inline-block;
  position: relative;
  color: #333;
  text-decoration: none;
  font-size: 40px;
  line-height: 46px;
  padding: 0 0 6px;
}

a.doblecentro:before,
a.doblecentro:after {
  content: "";
  display: block;
  margin: auto;
  height: 3px;
  width: 0px;
  background: #333;
  transition: all .8s;
}

a.doblecentro:hover:before,
a.doblecentro:hover:after {
  width: 100%;
}
<a class="doblecentro" href="">خطين من الوسط</a>

a.caja {
  display: inline-block;
  position: relative;
  color: #333;
  text-decoration: none;
  font-size: 40px;
  line-height: 46px;
  padding: 6px;
}

a.caja:before,
a.caja:after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  box-sizing: border-box;
  transform: scale(0);
  transition: 0.5s;
}

.caja:before {
  border-bottom: 2px solid #333;
  border-left: 2px solid #333;
  transform-origin: 0 100%;
}

.caja:after {
  border-top: 2px solid #333;
  border-right: 2px solid #333;
  transform-origin: 100% 0%;
}

.caja:hover:after,
.caja:hover:before {
  transform: scale(1);
}
<a class="caja" href="">خط دائري</a>

a.caja2 {
  display: inline-block;
  position: relative;
  color: #333;
  text-decoration: none;
  font-size: 40px;
  line-height: 46px;
  padding: 6px;
}

a.caja2:before,
a.caja2:after {
  content: "";
  width: 100%;
  height: 2px;
  position: absolute;
  box-sizing: border-box;
  transform: scale(0);
}

.caja2:before {
  transform: translateX(100%);
  bottom: 0;
  left: 0;
  height: 2px;
  border-bottom: 2px solid transparent;
  border-left: 2px solid transparent;
  transition: .1s transform linear, .1s height linear .1s;
}

.caja2:after {
  transform: translateX(-100%);
  top: 0;
  left: 0;
  height: 2px;
  border-top: 2px solid transparent;
  border-right: 2px solid transparent;
  transition: .1s transform linear .2s, .1s height linear .3s;
}

.caja2:hover:after,
.caja2:hover:before {
  transform: translateX(0);
  height: 100%;
  border-color: #333;
}
<a class="caja2" href="">خط دائري 2</a>

a.centrofondo {
  position: relative;
  text-decoration: none;
  color: #333;
  z-index: 1;
  font-size: 40px;
  line-height: 46px;
  padding: 3px 0;
}

a.centrofondo:before {
  content: "";
  background: #ccc;
  position: absolute;
  width: 100%;
  height: 3px;
  bottom: 0;
  left: 0;
  transform: scaleX(0);
  animation: .8s no-hover;
  animation-fill-mode: forwards;
  z-index: -1;
}

a.centrofondo:hover:before,
a.centrofondo:focus:before {
  animation: .4s hover linear;
  animation-fill-mode: forwards;
}

@keyframes hover {
  0% {
    transform: scaleX(0);
    height: 5px;
  }
  45% {
    transform: scaleX(1.05);
    height: 5px;
  }
  55% {
    height: 5px;
  }
  100% {
    transform: scaleX(1.05);
    height: 2.8rem;
  }
}

@keyframes no-hover {
  0% {
    transform: scaleX(1.05);
    height: 2.8rem;
  }
  45% {
    height: 5px;
  }
  55% {
    transform: scaleX(1.05);
    height: 5px;
    opacity: 1;
  }
  100% {
    transform: scaleX(0);
    height: 5px;
    opacity: .02;
  }
}
<a class="centrofondo" href="">خط بخلفية</a>

a.tresd {
  display: inline-block;
  position: relative;
  color: #333;
  text-decoration: none;
  font-size: 40px;
  line-height: 46px;
  transition: all .5s ease;
  transform-style: preserve-3d;
}

a.tresd:after {
  content: "ثلاثي الابعاد";
  position: absolute;
  top: -100%;
  left: 0px;
  width: 100%;
  background: #ccc;
  transform-origin: left bottom;
  transform: rotateX(90deg);
}

a.tresd:hover {
  transform-origin: center bottom;
  transform: rotateX(-90deg) translateY(100%);
}
<a class="tresd" href=""> خط ثلاثي الأبعاد</a>

<a class="caja" href="#"><img src="https://tech-weba.com/wp-content/uploads/2017/04/c88a07e78fe.png"/></a>
<a class="caja2" href="#"><img src="https://tech-weba.com/wp-content/uploads/2017/04/c88a07e78fe.png"/></a>