.container{
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.tabla-alumnos{
    
    max-width: 800px;
    margin: 20px auto;
}

.tabla-alumnos table{
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.tabla-alumnos th{
    border: 1px solid #ddd;
    padding: 8px;
    font-weight: bold;
}
.tabla-alumnos td{
    vertical-align: middle;
}
.tabla-alumnos td:nth-child(2){
    text-align: center;
}
.tabla-alumnos td img{
    border-radius: 50%;
    width: 50px;
    height: 50px;
}


dialog {
    border-radius: 15px;
    border: 1px solid steelblue;
    padding: 20px;
    width: 500px;
    box-shadow: 0px 0px 4px 4px rgba(0, 0, 0, .3);
}
::backdrop{background-color: rgba(0,0,0,0.5);}

dialog label {
    margin: 10px 3px;
    min-width: 80px;
    display: inline-block;
}

dialog button{
    margin-top:20px;

}
dialog input {
    margin-bottom: 10px;
    border-radius: 15px !important;
    overflow: hidden;
}

div.lista-avatares{
    display: flex;
    max-width: 100%;
    width: 480px;
    overflow-x: auto;
    gap: 5px;
    scrollbar-color: aliceblue;
    padding: 10px;
    background: #fcfcfc;
    border-radius: 10px;
    margin-bottom: 10px;;
}


div.lista-avatares img{
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all .3s;
}

div.lista-avatares img:hover{
    background-color: #ddd;
    transform:scale(1.1);
}

div.icono-usuario {
    width: auto;
    float: right;
    display: flex;
    align-items: center;
    gap: 10px;
}
div.icono-usuario img{
    margin: 10px 0;
    cursor: pointer;
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.lista-alumnos.selector{
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.cerrar-dialogo{
    float: right;
    font-size: 30px;
    cursor: pointer
}

.avatar.activo {
    border: thin solid #42bb42;
    transform: scale(1.1);
    filter: drop-shadow(0px 0px 5px #42bb42);

}

div.lista-avatares::-webkit-scrollbar {
  height: 8px; /* altura de la barra horizontal */
}

div.lista-avatares::-webkit-scrollbar-track {
  background: #e3f3e2; /* color del track */
}

div.lista-avatares::-webkit-scrollbar-thumb {
  background-color: #aff19b; /* color del thumb */
  border-radius: 4px;
}

div.lista-avatares::-webkit-scrollbar-thumb:hover {
  background-color: #68ee56;
}

.contendor-icono-usuario{
    display:flex;
    gap:10px;
}
.menu-usuario::after{
    content:"⌄";
    font-size: 30px;
    color:white;
    position: relative;
    top: 5px;
}


.menu-usuario.activo::after{
   content:"⌃" ;
   top: 20px;
}

.items-menu{    
    position: absolute;
    top: 60px;
    right: 20px;
    width: 220px;
    display: none;
    background: #5dbe9e !important;
    color: white;
    padding: 10px;
    
}
.items-menu ul li a{
    color:white;
}


.activo .items-menu{
    display: block;
}
div#div-login{
    background: white;
    min-width: 450px;
    justify-content: center;
    text-align: center;
    color: #5dbe9e;
}
div#div-login h3{color:#62c3ca;}
p.p-login {
    color: #494949 !important;
    text-align: right !important;
}

.text-center{
    text-align: center;
    margin:10px;
}