* {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.header-wrapper {
  color: white;
  background-color: #0d0d85;
  padding: 2rem;
  -moz-box-shadow: 0 8px 6px -6px #bab9b9;
  -webkit-box-shadow:  0 8px 6px -6px #bab9b9;
  box-shadow: 0 8px 6px -6px #bab9b9;
  position: fixed;
  top: -1rem;
  width: 100vw;
  z-index: 1;
}

select {
  margin-left: 1rem;
  border-radius: 0.5rem;
  position: fixed;
  top: 7.5rem;
  left: 1rem;
  z-index: 1;
}

#input-user {
  color: white;
  background-color: #0d0d85;
  border: none;
  font-size: 1.5rem;
  font-weight: bold;
}

button {
  margin-top: 0.75rem;
  display: block;
}

.header-img {
position: fixed;
top : 2rem;
right: 1rem;
box-shadow: none;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
  40% {transform: translateY(-30px);}
  60% {transform: translateY(-20px);}
} 


.onclick-image {
  -webkit-animation-duration: 1s;
  animation-duration: 1s;
  -webkit-animation-name: bounce;
  animation-name: bounce;
  box-shadow: none;
  position: fixed;
  top: 2rem;
  right: 1rem;
}

section {
  -moz-box-shadow: inset 0 0 10px #bab9b9;
  -webkit-box-shadow:  inset 0 0 10px #bab9b9;
  box-shadow: inset 0 0 10px #bab9b9;
  margin: 1rem;
  padding: 1rem;
  border-radius: 10px;
  position: relative;
  top: 10rem;
}

h3 {
  color: gray;  
  padding: 1rem;
}

a {
  text-decoration: none;
  font-weight: bold;
}

td {
  vertical-align: text-top;
}

td:nth-child(1) {
  font-weight: bold;
  padding: 1rem;
}

.contributor {
  padding: 1rem;
  border-bottom: 1px solid #d3d3d3;
}

img {
  width: 3.5rem;
  margin: 0 0.5rem;
  max-height: 3.5rem;
  -moz-box-shadow: 0px 2px 1px #ccc;
  -webkit-box-shadow: 0px 2px 1px #ccc;
  box-shadow: 0px 2px 1px #ccc;
  border-radius: 10px;
}

.contributions {
  margin-top: 1.75rem;
  float: right;
  text-align: center;
  min-width: 2.5rem;
  background-color: gray;
  color: white;
  border-radius: 5px;
}

.name {
  position: relative;
  top: -1rem;
  font-weight: bold;
}

.alert-error {
  color: red;
  background-color: rgb(248, 212, 212);
  margin: 1rem 0.25rem;
  padding: 0.5rem;
  text-align: left;
  border-radius: 0.5rem;
  clear: both;
  position: relative;
  top: 10rem;
}

@media (min-width:768px) {
  .header-wrapper {
    top: 0;
  }

  section {
    width: calc(50% - 4rem);
    float: left;
  }

  select {
    margin-left: 1rem;
    border-radius: 0.5rem;
    position: fixed;
    top: 2.75rem;
    left: 60%;
    z-index: 1;
  }
}