.box{
text-align: center;
box-shadow: 0 0 3px rgba(0,0,0,0.3);
overflow: hidden;
position: relative;
}
.box img{
width: 100%;
height: auto;
}
.box .box-content{
width: 100%;
height: 100%;
padding: 25% 10px 0;
color: #fff;
position: absolute;
top: 0;
left: 0;
opacity: 0;
z-index: 1;
transition: all 0.5s ease 0s;
}
.box:hover .box-content{ opacity: 1; }
.box:before,
.box:after,
.box-content:before,
.box-content:after{
content: "";
width: 50%;
height: 50%;
background-color: rgba(0,0,0,0.7);
position: absolute;
top: 0;
left: 0;
opacity: 0;
transition: all 0.3s ease 0s;
}
.box:after,
.box-content:after{
left: auto;
right: 0;
}
.box:before{
transform: rotate(-90deg);
transform-origin: right bottom;
}
.box:after{
transform: rotate(90deg);
transform-origin: left bottom;
}
.box-content:before,
.box-content:after{
top: auto;
bottom:0;
z-index: -1;
}
.box-content:before{
transform: rotate(90deg);
transform-origin: top right;
}
.box-content:after{
transform: rotate(-90deg);
transform-origin: top left;
}
.box:hover:before,
.box:hover:after,
.box:hover .box-content:before,
.box:hover .box-content:after{
transform: rotate(0);
opacity: 1;
}
.box .title{
font-size: 25px;
font-weight: 600;
margin: 0 0 10px 0;
}
.box .post{
display: block;
font-size: 14px;
font-style: italic;
margin-bottom: 20px;
}
.box .icon{
padding: 0;
margin: 0;
list-style: none;
}
.box .icon li{
display: inline-block;
margin-right: 10px;
}
.box .icon li a{
display: block;
width: 33px;
height: 33px;
line-height: 33px;
background: #fff;
border-radius: 10px;
font-size: 16px;
color: #1da1f2;
transition: all 0.5s ease 0s;
}
.box .icon li a:hover{
background: #1da1f2;
border-radius: 50%;
color: #fff;
}
@media only screen and (max-width:990px){
.box{ margin-bottom: 30px; }
}