header, article, section, footer, nav{
    padding: 1.2rem;
}
header .container{
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
       -moz-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
       -moz-box-align: center;
        -ms-flex-align: center;
                -ms-grid-row-align: center;
            align-items: center;
}
header a{
    padding: 0!important;
    border: none!important;
    margin-bottom: 0;
}
header #menubtn{
    width: 2.5rem;
    height: 2.5rem;
    cursor: pointer;
}
header #menubtn path{
    fill: rgb(10,37,66);
}
header #menubtn:hover path{
    fill: rgb(244,188,28);
}
header #menubtn.opened path{
    fill: rgb(226,43,74);
}
nav{
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: #ffffff;
    -webkit-box-shadow: inset 0 0 10px rgba(30, 30, 30, 0.125);
-moz-box-shadow: inset 0 0 10px rgba(30, 30, 30, 0.125);
box-shadow: inset 0 0 10px rgba(30, 30, 30, 0.125);
}
nav a{
    margin-right: 2rem;
    margin-bottom: 2rem;
}
nav a.active1{
    color: rgb(10,37,66);
}
nav a.active2{
    color: rgb(226,43,74);
}
nav a.active3{
    color: rgb(244,188,28);
}
nav a.active4{
    color: rgb(180,191,209);
}
header a svg{
    max-height:none;
    max-width: 3rem;
}
main{
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
       -moz-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
       -moz-box-align: center;
        -ms-flex-align: center;
                -ms-grid-row-align: center;
            align-items: center;
}
article{
    text-align: center;
    width: 100%;
}
article div{
    -webkit-box-pack: center;
    -webkit-justify-content: center;
       -moz-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
}
article div a{
    width: -webkit-calc(33.33% - 1rem);
    width: -moz-calc(33.33% - 1rem);
    width: calc(33.33% - 1rem);
    -webkit-box-shadow: 0 0 10px rgba(30, 30, 30, 0.125);
-moz-box-shadow: 0 0 10px rgba(30, 30, 30, 0.125);
box-shadow: 0 0 10px rgba(30, 30, 30, 0.125);
padding: 1rem;
    -webkit-border-radius: 0.257rem;
       -moz-border-radius: 0.257rem;
            border-radius: 0.257rem;
            margin: 1rem;
            border: none!important;
}
article, section{
    min-height: 73svh;
    -webkit-align-content: center;
        -ms-flex-line-pack: center;
            align-content: center;
}
section{
    width: 50%;
}
section h1{
    text-align: center;
}
section img{
    display: block;
    margin: auto;
    width: 20rem;
}
button {
  margin-top: 1.4rem;
}
footer div{
    width: 100%;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
       -moz-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
       -moz-box-align: center;
        -ms-flex-align: center;
                -ms-grid-row-align: center;
            align-items: center;
}
footer div a{
    margin: 0;
}
@media (max-width: 900px) {
    section{
        width: 100%;
    }
    section img {
        width: 100%;
    }
    article div a{
        width: -webkit-calc(50% - 2rem);
        width: -moz-calc(50% - 2rem);
        width: calc(50% - 2rem);
    }
    nav a {
        width: calc(33.33% - 2.2rem);
    }
}
@media (max-width: 500px) {
    article div a{
        width: -webkit-calc(100% - 2rem);
        width: -moz-calc(100% - 2rem);
        width: calc(100% - 2rem);
    }
    nav a {
        width: calc(50% - 2.2rem);
    }
}