* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}


#particles-js {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #782d2d;
    background-color: #dcd1d1;
    opacity: 0.8;
    background-image: radial-gradient(#444cf7 0.5px, transparent 0.5px),
    radial-gradient(#444cf7 0.5px, #cec5c5 0.5px);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    position: relative;
    z-index: 1;
}

.container {
    position: absolute;
    z-index: 1;
}

.header {
    text-align: center;
    margin-bottom: 2rem;
}

.header h1 {
    margin-bottom: 5px;
}

.contact {
    text-align: center;
    border: 1px solid #17182d;
    padding: 1rem 4rem;
}

.contact p {
    margin: 10px;
}

.contact a {
    text-decoration: none;
    color: navy;
}

.loader-wrapper {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #242f3f;
    display:flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}
.loader {
    display: inline-block;
    width: 30px;
    height: 30px;
    position: relative;
    border: 4px solid #Fff;
    animation: loader 2s infinite ease;
}
.loader-inner {
    vertical-align: top;
    display: inline-block;
    width: 100%;
    background-color: #fff;
    animation: loader-inner 2s infinite ease-in;
}
@keyframes loader {
    0% { transform: rotate(0deg);}
    25% { transform: rotate(180deg);}
    50% { transform: rotate(180deg);}
    75% { transform: rotate(360deg);}
    100% { transform: rotate(360deg);}
}
@keyframes loader-inner {
    0% { height: 0%;}
    25% { height: 0%;}
    50% { height: 100%;}
    75% { height: 100%;}
    100% { height: 0%;}
}