/* Eric Meyer’s Reset CSS */
* {
    margin: 0;
    padding: 0;
    border: 0;
    font-family: inherit;
    font-size: 100%;
    vertical-align: baseline;
}
html {
    line-height: 1;
}
body {
    display: flex;
    justify-content: center;
    background: white;
    font-family: sans-serif;
    font-family: Arial, sans-serif;
}


.content{
    display: flex;
    position: absolute;
    top: 0px;
    color: white;
    width: 100%;
    height: 20vh;
    margin: 0 auto;
    text-align: justify;
    align-items: center;
    justify-content: center;
    /* flex-direction: column; */
    background-color: rgb(31, 30, 30);
    height: auto;
    z-index: 999;
}
a{  
   /* position: absolute; */
    display: block;
    /* flex-grow:1; */
    float: left;
    width: 15%;
    height: 10vh;
    background-color:#50505169;
    text-align: center;
    line-height: 10vh;
    width: 100%;
    text-decoration: none;
    color: white;
}

a:hover{
    background-color: #669cd6;
    /* color: #007BFF; */
}

.nav:nth-last-child{
    display: block;
    float: left;
    width: 15%;
    height: 10vh;
    background-color:#50505169;
    text-align: center;
    line-height: 10vh;
}

img{
    width: 30vh;
}       
.container{

    display:inline-block;
    /* grid-template-columns: repeat(4,1fr); */
    /* grid-gap: 10px; */
    /* grid-template-rows:masonry; */
}
.shell{
    position: relative;
    top:10vh;
    max-width: 1300px;
    column-count: 5;
    column-gap: 15px;
}
.image{
    margin-bottom: 15px;
}
.image img{
    width: 100%;
}
@media (max-width:1200px) {
    .shell{
         column-count: 4;
    }
}
@media (max-width:850px) {
    .shell{
         column-count: 3;
    }
}
@media (max-width:600px) {
    .shell{
         column-count: 2;
    }
}