@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap");

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

body {
  font-family: "Roboto", sans-serif;
  text-align: center;
  background-color: #434242;
  padding: 2rem;
  color: #ddd;
  position: relative;
}


.main-container{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 2rem auto;
    max-width: 50%;
}

img{
    border: 3px solid #ddd;
    border-radius: 10px;
    object-fit: contain;
}

.up{
    position: fixed;
    bottom: 10%;
    right: 10%;
    background-color: #ddd;
    color: #434242;
    font-size: 2rem;
    font-weight: 800;
    border-radius: 50%;
    border: 0;
    height: 4rem;
    width: 4rem;
    cursor: pointer;
    padding: .5rem;
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid #FFF;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
    }

    @keyframes rotation {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
    } 

.copyright a{
    color: #ddd;
}