.h1-header {
    font-weight: bold;
    color: rgba(43, 43, 43, 0.87);
}

.h1-welcome{
    color: white;
    font-weight: bold;
}

.container-header{
    height: 70vh;
    background-image: url(/static/img/meetup.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    filter: opacity(80%)
}

.about{
    padding: 0.9rem;
    background-color: #efc780;
}
.h1-header::after {
    content: '';
    border-top: solid 4px #5e89ab;
    width: 10%;
    display: block;
    margin: 20px auto;
}
.p-form {
    text-align: center;
    line-height: 2rem;
    font-size: 1.3rem;
    margin-bottom: 3rem;
    color: rgba(43, 43, 43, 0.87);
}
.p-thanks {
    text-align: justify;
    line-height: 2rem;
    font-size: 1.3rem;
    color: rgba(43, 43, 43, 0.87);
}

.center-logo {
    padding: 0px;
    margin-top: -5px;
    width: 130px;
    height: 80px;
}

.qrcode-size {
    margin:30px 30px 0 30px;
    width: 30vw;
}

.page-footer{
    background-color: #102e46;
}

.blue-card{
    background-color: #102e46;
}

.black-title{
    color: #2d2d2d;
    font-size: 3rem;
    font-weight: 700;
    text-transform:uppercase;
    font-stretch: condensed;
}

.yellow-link{
    color: #efc780 !important
}
.error{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.error-h1{
    font-weight: bold;
    color: rgba(43, 43, 43, 0.87);
    font-size: 2rem;
    text-align: center;
}

.error img{
    width: 25vw;
}
.error-p{
    font-weight: bold;
    color: rgba(43, 43, 43, 0.87);
    font-size: 2rem;
    text-align: center;
}
nav a {
    color: black;
}

nav ul a{
    color: #2d2d2d;
}

body{
    font-family: 'Space Mono', monospace;
    font-weight: 700;
}

ul > li{
    list-style: square !important;
    padding-bottom: 15px;
}
.social-network-li {
    display: inline;
    margin: 0 0 3px 0
}

.social-network-li a {
    margin-right: 1.7rem
}

@media only screen and (max-width: 992px) {
    .center-logo {
        width: 130px;
        height: 80px;
        margin-top: -12px;
    }

    .h1-header {
        font-size: 2.4rem;
    }

    .qrcode-size {
        margin: 0;
        width: 80vw;
    }

    .card .card-action{
        padding: 15px 0px;
        margin-left: 8px;
    }
    .input-field > label{
        position: initial;
    }

}

@media only screen and (max-width: 425px) {
    .error img{
        width: 100vw;
    }

}