* {
  box-sizing: border-box;
}

.clear {
  clear: both;
  float: none;
  width: 100%;
}

.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
  
  .gallery {
    a {
      img {
        float: left;
        width: 20%;
        height: auto;
        border: 2px solid #fff;
        -webkit-transition: -webkit-transform .15s ease;
        -moz-transition: -moz-transform .15s ease;
        -o-transition: -o-transform .15s ease;
        -ms-transition: -ms-transform .15s ease;
        transition: transform .15s ease;
        position:relative;
      }
      
      &:hover {
        img {
          -webkit-transform: scale(1.05);
          -moz-transform: scale(1.05);
          -o-transform: scale(1.05);
          -ms-transform: scale(1.05);
          transform: scale(1.05);
          z-index: 5;
        }
      }
      
      &.big {
        img {
          width: 40%;
        }
      }
    }
  }
}

.align-center {
  text-align: center;
}