ol,ul{list-style:none}
.both .navs {
border:0px solid #000;
width:100%;
height:60px;
margin-top:10px;
padding:0 20px;
}
@keyframes LYAnimation {
0% {
width:0;
}
100% {
width:100%;
}
}@keyframes TBAnimation {
0% {
height:0;
}
100% {
height:47px;
}
}@keyframes LYAnimationF {
0% {
width:100%;
}
100% {
width:0;
}
}@keyframes TBAnimationF {
0% {
height:47px;
}
100% {
height:0;
}
}.both .navs ul {
border-left:6px solid #ff3131;
width:100%;
height:50px;
margin-top:5px;
}
.both .navs ul li {
border:2px solid transparent;
width:auto;
height:43px;
line-height:43px;
float:left;
padding:0 8px;
margin-left:20px;
position:relative;
cursor:pointer;
color:#000;
transition:color 0.3s;
}
.both .navs ul li .liLineTop,.both .navs ul li .liLineBottom {
animation-name:LYAnimationF;
animation-duration:0.3s;
animation-iteration-count:1;
animation-direction:normal;
animation-timing-function:linear;
animation-fill-mode:both;
}
.both .navs ul li .liLineLeft,.both .navs ul li .liLineRight {
animation-name:TBAnimationF;
animation-duration:0.3s;
animation-iteration-count:1;
animation-direction:normal;
animation-timing-function:linear;
animation-fill-mode:both;
}
.both .navs ul li .liLineTop,.both .navs ul li .liLineBottom,.both .navs ul li .liLineLeft,.both .navs ul li .liLineRight {
display:block;
background-color:#f00;
position:absolute;
}
.both .navs ul li .liLineTop,.both .navs ul li .liLineBottom {
width:0;
height:2px;
}
.both .navs ul li .liLineLeft,.both .navs ul li .liLineRight {
width:2px;
height:0;
}
.both .navs ul li .liLineTop {
left:0;
top:-2px;
}
.both .navs ul li .liLineBottom {
right:0;
bottom:-2px;
}
.both .navs ul li .liLineLeft {
left:-2px;
bottom:-2px;
}
.both .navs ul li .liLineRight {
right:-2px;
top:-2px;
}
.both .navs ul li:hover {
color:#ff3131;
transition:color 0.3s;
}
.both .navs ul li:hover .liLineTop,.both .navs ul li:hover .liLineBottom {
animation-name:LYAnimation;
animation-duration:0.3s;
animation-iteration-count:1;
animation-direction:normal;
animation-timing-function:linear;
animation-fill-mode:both;
}
.both .navs ul li:hover .liLineLeft,.both .navs ul li:hover .liLineRight {
animation-name:TBAnimation;
animation-duration:0.3s;
animation-iteration-count:1;
animation-direction:normal;
animation-timing-function:linear;
animation-fill-mode:both;
}
.both .navs ul .liActive {
border:2px solid #ff3131;
color:#ff3131;
}
因为是用SCSS编写,所以CSS代码结构看起来会比较复杂
带了active效果,因为active是外边框,所以需要对内部四边做-2px处理